save mainnet mempool every hour to disk

2024-08-14 20:11:08 +02:00
175 changed files with 2213 additions and 6595 deletions
--- a/12
+++ b/12
@@ -1,5 +1,5 @@
 The Mempool Open Source Project®
-Copyright (c) 2019-2024 Mempool Space K.K. and other shadowy super-coders
+Copyright (c) 2019-2023 Mempool Space K.K. and other shadowy super-coders

 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU Affero General Public License as published by the Free
@@ -12,12 +12,10 @@ or any other contributor to The Mempool Open Source Project.

 The Mempool Open Source Project®, Mempool Accelerator™, Mempool Enterprise®, 
 Mempool Liquidity™, mempool.space®, Be your own explorer™, Explore the full 
-Bitcoin ecosystem™, Mempool Goggles™, the mempool Logo, the mempool Square Logo, 
-the mempool block visualization Logo, the mempool Blocks Logo, the mempool 
-transaction Logo, the mempool Blocks 3 | 2 Logo, the mempool research Logo, 
-the mempool.space Vertical Logo, and the mempool.space Horizontal Logo are 
-registered trademarks or trademarks of Mempool Space K.K in Japan, 
-the United States, and/or other countries.
+Bitcoin ecosystem™, Mempool Goggles™, the mempool Logo, the mempool Square logo, 
+the mempool Blocks logo, the mempool Blocks 3 | 2 logo, the mempool.space Vertical 
+Logo, and the mempool.space Horizontal logo are registered trademarks or trademarks 
+of Mempool Space K.K in Japan, the United States, and/or other countries.

 See our full Trademark Policy and Guidelines for more details, published on 
 <https://mempool.space/trademark-policy>.
--- a/backend/README.md
+++ b/backend/README.md
@@ -77,7 +77,7 @@ Query OK, 0 rows affected (0.00 sec)

 #### Build

-_Make sure to use Node.js 20.x and npm 9.x or newer_
+_Make sure to use Node.js 16.10 and npm 7._

 _The build process requires [Rust](https://www.rust-lang.org/tools/install) to be installed._

--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -27,9 +27,8 @@
    "AUTOMATIC_POOLS_UPDATE": false,
    "POOLS_JSON_URL": "https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json",
    "POOLS_JSON_TREE_URL": "https://api.github.com/repos/mempool/mining-pools/git/trees/master",
-    "POOLS_UPDATE_DELAY": 604800,
    "AUDIT": false,
-    "RUST_GBT": true,
+    "RUST_GBT": false,
    "LIMIT_GBT": false,
    "CPFP_INDEXING": false,
    "DISK_CACHE_BLOCK_INTERVAL": 6,
@@ -46,8 +45,7 @@
    "PASSWORD": "mempool",
    "TIMEOUT": 60000,
    "COOKIE": false,
-    "COOKIE_PATH": "/path/to/bitcoin/.cookie",
-    "DEBUG_LOG_PATH": "/path/to/bitcoin/debug.log"
+    "COOKIE_PATH": "/path/to/bitcoin/.cookie"
  },
  "ELECTRUM": {
    "HOST": "127.0.0.1",
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1,22 +1,21 @@
 {
  "name": "mempool-backend",
-  "version": "3.1.0-dev",
+  "version": "3.0.0-beta",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
      "name": "mempool-backend",
-      "version": "3.1.0-dev",
+      "version": "3.0.0-beta",
      "hasInstallScript": true,
      "license": "GNU Affero General Public License v3.0",
      "dependencies": {
-        "@babel/core": "^7.25.2",
        "@mempool/electrum-client": "1.1.9",
        "@types/node": "^18.15.3",
-        "axios": "1.7.2",
+        "axios": "~1.7.2",
        "bitcoinjs-lib": "~6.1.3",
        "crypto-js": "~4.2.0",
-        "express": "~4.21.1",
+        "express": "~4.19.2",
        "maxmind": "~4.3.11",
        "mysql2": "~3.11.0",
        "redis": "^4.7.0",
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-      "license": "MIT",
      "dependencies": {
        "follow-redirects": "^1.15.6",
        "form-data": "^4.0.0",
@@ -2490,9 +2488,9 @@
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    },
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@@ -2502,7 +2500,7 @@
        "http-errors": "2.0.0",
        "iconv-lite": "0.4.24",
        "on-finished": "2.4.1",
-        "qs": "6.13.0",
+        "qs": "6.11.0",
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@@ -2827,9 +2825,9 @@
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@@ -3031,9 +3029,9 @@
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@@ -3461,36 +3459,36 @@
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-        "finalhandler": "1.3.1",
+        "finalhandler": "1.2.0",
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+        "send": "0.18.0",
+        "serve-static": "1.15.0",
        "setprototypeof": "1.2.0",
        "statuses": "2.0.1",
        "type-is": "~1.6.18",
@@ -10450,12 +10434,12 @@
      }
    },
    "finalhandler": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.3.1.tgz",
-      "integrity": "sha512-6BN9trH7bp3qvnrRyzsBz+g3lZxTNZTbVO2EV1CS0WIcDbawYVdYvGflME/9QP0h0pYlCDBCTjYa9nZzMDpyxQ==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz",
+      "integrity": "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg==",
      "requires": {
        "debug": "2.6.9",
-        "encodeurl": "~2.0.0",
+        "encodeurl": "~1.0.2",
        "escape-html": "~1.0.3",
        "on-finished": "2.4.1",
        "parseurl": "~1.3.3",
@@ -12252,9 +12236,9 @@
      "integrity": "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ=="
    },
    "merge-descriptors": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.3.tgz",
-      "integrity": "sha512-gaNvAS7TZ897/rVaZ0nMtAyxNyi/pdbjbAwUpFQpN70GqnVfOiXpeUUMKRBmzXaSQ8DdTX4/0ms62r2K+hE6mQ=="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
+      "integrity": "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
    },
    "merge-stream": {
      "version": "2.0.0",
@@ -12417,9 +12401,9 @@
      }
    },
    "object-inspect": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.2.tgz",
-      "integrity": "sha512-IRZSRuzJiynemAXPYtPe5BoI/RESNYR7TYm50MC5Mqbd3Jmw5y790sErYw3V6SryFJD64b74qQQs9wn5Bg/k3g=="
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
+      "integrity": "sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ=="
    },
    "on-finished": {
      "version": "2.4.1",
@@ -12536,9 +12520,9 @@
      "dev": true
    },
    "path-to-regexp": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
-      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
+      "integrity": "sha512-5DFkuoqlv1uYQKxy8omFBeJPQcdoE07Kv2sferDCrAq1ohOU+MSDswDIbnx3YAM60qIOnYa53wBhXW0EbMonrQ=="
    },
    "path-type": {
      "version": "4.0.0",
@@ -12680,11 +12664,11 @@
      "dev": true
    },
    "qs": {
-      "version": "6.13.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.13.0.tgz",
-      "integrity": "sha512-+38qI9SOr8tfZ4QmJNplMUxqjbe7LKvvZgWdExBOmd+egZTtjLB67Gu0HRX3u/XOq7UU2Nx6nsjvS16Z9uwfpg==",
+      "version": "6.11.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
+      "integrity": "sha512-MvjoMCJwEarSbUYk5O+nmoSzSutSsTwF85zcHPQ9OrlFoZOYIjaqBAJIqIXjptyD5vThxGq52Xu/MaJzRkIk4Q==",
      "requires": {
-        "side-channel": "^1.0.6"
+        "side-channel": "^1.0.4"
      }
    },
    "queue-microtask": {
@@ -12818,9 +12802,9 @@
      "dev": true
    },
    "send": {
-      "version": "0.19.0",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.19.0.tgz",
-      "integrity": "sha512-dW41u5VfLXu8SJh5bwRmyYUbAoSB3c9uQh6L8h/KtsFREPWpbX1lrljJo186Jc4nmci/sGUZ9a0a0J2zgfq2hw==",
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
+      "integrity": "sha512-qqWzuOjSFOuqPjFe4NOsMLafToQQwBSOEpS+FwEt3A2V3vKubTquT3vmLTQpFgMXp8AlFWFuP1qKaJZOtPpVXg==",
      "requires": {
        "debug": "2.6.9",
        "depd": "2.0.0",
@@ -12852,11 +12836,6 @@
            }
          }
        },
-        "encodeurl": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
-          "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
-        },
        "ms": {
          "version": "2.1.3",
          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -12870,14 +12849,14 @@
      "integrity": "sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q=="
    },
    "serve-static": {
-      "version": "1.16.2",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.16.2.tgz",
-      "integrity": "sha512-VqpjJZKadQB/PEbEwvFdO43Ax5dFBZ2UECszz8bQ7pi7wt//PWe1P6MN7eCnjsatYtBT6EuiClbjSWP2WrIoTw==",
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.15.0.tgz",
+      "integrity": "sha512-XGuRDNjXUijsUL0vl6nSD7cwURuzEgglbOaFuZM9g3kwDXOWVTck0jLzjPzGD+TazWbboZYu52/9/XPdUgne9g==",
      "requires": {
-        "encodeurl": "~2.0.0",
+        "encodeurl": "~1.0.2",
        "escape-html": "~1.0.3",
        "parseurl": "~1.3.3",
-        "send": "0.19.0"
+        "send": "0.18.0"
      }
    },
    "set-function-length": {
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
  "name": "mempool-backend",
-  "version": "3.1.0-dev",
+  "version": "3.0.0-beta",
  "description": "Bitcoin mempool visualizer and blockchain explorer backend",
  "license": "GNU Affero General Public License v3.0",
  "homepage": "https://mempool.space",
@@ -42,10 +42,10 @@
    "@babel/core": "^7.25.2",
    "@mempool/electrum-client": "1.1.9",
    "@types/node": "^18.15.3",
-    "axios": "1.7.2",
+    "axios": "~1.7.2",
    "bitcoinjs-lib": "~6.1.3",
    "crypto-js": "~4.2.0",
-    "express": "~4.21.1",
+    "express": "~4.19.2",
    "maxmind": "~4.3.11",
    "mysql2": "~3.11.0",
    "rust-gbt": "file:./rust-gbt",
--- a/backend/src/fixtures/mempool-config.template.json
+++ b/backend/src/fixtures/mempool-config.template.json
@@ -28,7 +28,6 @@
    "INDEXING_BLOCKS_AMOUNT": 14,
    "POOLS_JSON_TREE_URL": "__MEMPOOL_POOLS_JSON_TREE_URL__",
    "POOLS_JSON_URL": "__MEMPOOL_POOLS_JSON_URL__",
-    "POOLS_UPDATE_DELAY": 604800,
    "AUDIT": true,
    "RUST_GBT": false,
    "LIMIT_GBT": false,
@@ -47,8 +46,7 @@
    "PASSWORD": "__CORE_RPC_PASSWORD__",
    "TIMEOUT": 1000,
    "COOKIE": false,
-    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__",
-    "DEBUG_LOG_PATH": "__CORE_RPC_DEBUG_LOG_PATH__"
+    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__"
  },
  "ELECTRUM": {
    "HOST": "__ELECTRUM_HOST__",
--- a/backend/src/tests/api/common.ts
+++ b/backend/src/tests/api/common.ts
@@ -1,5 +1,5 @@
 import { Common } from '../../api/common';
-import { MempoolTransactionExtended, TransactionExtended } from '../../mempool.interfaces';
+import { MempoolTransactionExtended } from '../../mempool.interfaces';

 const randomTransactions = require('./test-data/transactions-random.json');
 const replacedTransactions = require('./test-data/transactions-replaced.json');
@@ -10,14 +10,14 @@ describe('Common', () => {
  describe('RBF', () => {
    const newTransactions = rbfTransactions.concat(randomTransactions);
    test('should detect RBF transactions with fast method', () => {
-      const result: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} = Common.findRbfTransactions(newTransactions, replacedTransactions);
+      const result: { [txid: string]: MempoolTransactionExtended[] } = Common.findRbfTransactions(newTransactions, replacedTransactions);
      expect(Object.values(result).length).toEqual(2);
      expect(result).toHaveProperty('7219d95161f3718335991ac6d967d24eedec370908c9879bb1e192e6d797d0a6');
      expect(result).toHaveProperty('5387881d695d4564d397026dc5f740f816f8390b4b2c5ec8c20309122712a875');
    });

    test('should detect RBF transactions with scalable method', () => {
-      const result: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} = Common.findRbfTransactions(newTransactions, replacedTransactions, true);
+      const result: { [txid: string]: MempoolTransactionExtended[] } = Common.findRbfTransactions(newTransactions, replacedTransactions, true);
      expect(Object.values(result).length).toEqual(2);
      expect(result).toHaveProperty('7219d95161f3718335991ac6d967d24eedec370908c9879bb1e192e6d797d0a6');
      expect(result).toHaveProperty('5387881d695d4564d397026dc5f740f816f8390b4b2c5ec8c20309122712a875');
--- a/backend/src/tests/config.test.ts
+++ b/backend/src/tests/config.test.ts
@@ -41,9 +41,8 @@ describe('Mempool Backend Config', () => {
        STDOUT_LOG_MIN_PRIORITY: 'debug',
        POOLS_JSON_TREE_URL: 'https://api.github.com/repos/mempool/mining-pools/git/trees/master',
        POOLS_JSON_URL: 'https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json',
-        POOLS_UPDATE_DELAY: 604800,
        AUDIT: false,
-        RUST_GBT: true,
+        RUST_GBT: false,
        LIMIT_GBT: false,
        CPFP_INDEXING: false,
        MAX_BLOCKS_BULK_QUERY: 0,
@@ -74,8 +73,7 @@ describe('Mempool Backend Config', () => {
        PASSWORD: 'mempool',
        TIMEOUT: 60000,
        COOKIE: false,
-        COOKIE_PATH: '/bitcoin/.cookie',
-        DEBUG_LOG_PATH: '',
+        COOKIE_PATH: '/bitcoin/.cookie'
      });

      expect(config.SECOND_CORE_RPC).toStrictEqual({
--- a/backend/src/api/audit.ts
+++ b/backend/src/api/audit.ts
@@ -2,7 +2,6 @@ import config from '../config';
 import logger from '../logger';
 import { MempoolTransactionExtended, MempoolBlockWithTransactions } from '../mempool.interfaces';
 import rbfCache from './rbf-cache';
-import transactionUtils from './transaction-utils';

 const PROPAGATION_MARGIN = 180; // in seconds, time since a transaction is first seen after which it is assumed to have propagated to all miners

@@ -16,8 +15,7 @@ class Audit {
    const matches: string[] = []; // present in both mined block and template
    const added: string[] = []; // present in mined block, not in template
    const unseen: string[] = []; // present in the mined block, not in our mempool
-    let prioritized: string[] = []; // higher in the block than would be expected by in-band feerate alone
-    let deprioritized: string[] = []; // lower in the block than would be expected by in-band feerate alone
+    const prioritized: string[] = []; // higher in the block than would be expected by in-band feerate alone
    const fresh: string[] = []; // missing, but firstSeen or lastBoosted within PROPAGATION_MARGIN
    const rbf: string[] = []; // either missing or present, and either part of a full-rbf replacement, or a conflict with the mined block
    const accelerated: string[] = []; // prioritized by the mempool accelerator
@@ -135,7 +133,23 @@ class Audit {
      totalWeight += tx.weight;
    }

-    ({ prioritized, deprioritized } = transactionUtils.identifyPrioritizedTransactions(transactions, 'effectiveFeePerVsize'));
+
+    // identify "prioritized" transactions
+    let lastEffectiveRate = 0;
+    // Iterate over the mined template from bottom to top (excluding the coinbase)
+    // Transactions should appear in ascending order of mining priority.
+    for (let i = transactions.length - 1; i > 0; i--) {
+      const blockTx = transactions[i];
+      // If a tx has a lower in-band effective fee rate than the previous tx,
+      // it must have been prioritized out-of-band (in order to have a higher mining priority)
+      // so exclude from the analysis.
+      if ((blockTx.effectiveFeePerVsize || 0) < lastEffectiveRate) {
+        prioritized.push(blockTx.txid);
+        // accelerated txs may or may not have their prioritized fee rate applied, so don't use them as a reference
+      } else if (!isAccelerated[blockTx.txid]) {
+        lastEffectiveRate = blockTx.effectiveFeePerVsize || 0;
+      }
+    }

    // transactions missing from near the end of our template are probably not being censored
    let overflowWeightRemaining = overflowWeight - (config.MEMPOOL.BLOCK_WEIGHT_UNITS - totalWeight);
--- a/backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts
+++ b/backend/src/api/bitcoin/bitcoin-api-abstract-factory.ts
@@ -1,4 +1,4 @@
-import { IBitcoinApi, SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { IBitcoinApi, TestMempoolAcceptResult } from './bitcoin-api.interface';
 import { IEsploraApi } from './esplora-api.interface';

 export interface AbstractBitcoinApi {
@@ -23,7 +23,6 @@ export interface AbstractBitcoinApi {
  $getScriptHashTransactions(address: string, lastSeenTxId: string): Promise<IEsploraApi.Transaction[]>;
  $sendRawTransaction(rawTransaction: string): Promise<string>;
  $testMempoolAccept(rawTransactions: string[], maxfeerate?: number): Promise<TestMempoolAcceptResult[]>;
-  $submitPackage(rawTransactions: string[], maxfeerate?: number, maxburnamount?: number): Promise<SubmitPackageResult>;
  $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend>;
  $getOutspends(txId: string): Promise<IEsploraApi.Outspend[]>;
  $getBatchedOutspends(txId: string[]): Promise<IEsploraApi.Outspend[][]>;
--- a/backend/src/api/bitcoin/bitcoin-api.interface.ts
+++ b/backend/src/api/bitcoin/bitcoin-api.interface.ts
@@ -218,21 +218,3 @@ export interface TestMempoolAcceptResult {
  },
  ['reject-reason']?: string,
 }
-
-export interface SubmitPackageResult {
-  package_msg: string;
-  "tx-results": { [wtxid: string]: TxResult };
-  "replaced-transactions"?: string[];
-}
-
-export interface TxResult {
-  txid: string;
-  "other-wtxid"?: string;
-  vsize?: number;
-  fees?: {
-    base: number;
-    "effective-feerate"?: number;
-    "effective-includes"?: string[];
-  };
-  error?: string;
-}
--- a/backend/src/api/bitcoin/bitcoin-api.ts
+++ b/backend/src/api/bitcoin/bitcoin-api.ts
@@ -1,6 +1,6 @@
 import * as bitcoinjs from 'bitcoinjs-lib';
 import { AbstractBitcoinApi, HealthCheckHost } from './bitcoin-api-abstract-factory';
-import { IBitcoinApi, SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { IBitcoinApi, TestMempoolAcceptResult } from './bitcoin-api.interface';
 import { IEsploraApi } from './esplora-api.interface';
 import blocks from '../blocks';
 import mempool from '../mempool';
@@ -196,10 +196,6 @@ class BitcoinApi implements AbstractBitcoinApi {
    }
  }

-  $submitPackage(rawTransactions: string[], maxfeerate?: number, maxburnamount?: number): Promise<SubmitPackageResult> {
-    return this.bitcoindClient.submitPackage(rawTransactions, maxfeerate ?? undefined, maxburnamount ?? undefined);
-  }
-
  async $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend> {
    const txOut = await this.bitcoindClient.getTxOut(txId, vout, false);
    return {
@@ -327,7 +323,6 @@ class BitcoinApi implements AbstractBitcoinApi {
      'witness_v1_taproot': 'v1_p2tr',
      'nonstandard': 'nonstandard',
      'multisig': 'multisig',
-      'anchor': 'anchor',
      'nulldata': 'op_return'
    };

--- a/backend/src/api/bitcoin/bitcoin.routes.ts
+++ b/backend/src/api/bitcoin/bitcoin.routes.ts
@@ -20,7 +20,6 @@ import difficultyAdjustment from '../difficulty-adjustment';
 import transactionRepository from '../../repositories/TransactionRepository';
 import rbfCache from '../rbf-cache';
 import { calculateMempoolTxCpfp } from '../cpfp';
-import { handleError } from '../../utils/api';

 class BitcoinRoutes {
  public initRoutes(app: Application) {
@@ -48,8 +47,6 @@ class BitcoinRoutes {
      .post(config.MEMPOOL.API_URL_PREFIX + 'psbt/addparents', this.postPsbtCompletion)
      .get(config.MEMPOOL.API_URL_PREFIX + 'blocks-bulk/:from', this.getBlocksByBulk.bind(this))
      .get(config.MEMPOOL.API_URL_PREFIX + 'blocks-bulk/:from/:to', this.getBlocksByBulk.bind(this))
-      // Temporarily add txs/package endpoint for all backends until esplora supports it
-      .post(config.MEMPOOL.API_URL_PREFIX + 'txs/package', this.$submitPackage)
      ;

      if (config.MEMPOOL.BACKEND !== 'esplora') {
@@ -89,7 +86,7 @@ class BitcoinRoutes {
      res.set('Content-Type', 'application/json');
      res.send(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -108,13 +105,13 @@ class BitcoinRoutes {
      const result = mempoolBlocks.getMempoolBlocks();
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private getTransactionTimes(req: Request, res: Response) {
    if (!Array.isArray(req.query.txId)) {
-      handleError(req, res, 500, 'Not an array');
+      res.status(500).send('Not an array');
      return;
    }
    const txIds: string[] = [];
@@ -131,12 +128,12 @@ class BitcoinRoutes {
  private async $getBatchedOutspends(req: Request, res: Response): Promise<IEsploraApi.Outspend[][] | void> {
    const txids_csv = req.query.txids;
    if (!txids_csv || typeof txids_csv !== 'string') {
-      handleError(req, res, 500, 'Invalid txids format');
+      res.status(500).send('Invalid txids format');
      return;
    }
    const txids = txids_csv.split(',');
    if (txids.length > 50) {
-      handleError(req, res, 400, 'Too many txids requested');
+      res.status(400).send('Too many txids requested');
      return;
    }

@@ -144,13 +141,13 @@ class BitcoinRoutes {
      const batchedOutspends = await bitcoinApi.$getBatchedOutspends(txids);
      res.json(batchedOutspends);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async $getCpfpInfo(req: Request, res: Response) {
    if (!/^[a-fA-F0-9]{64}$/.test(req.params.txId)) {
-      handleError(req, res, 501, `Invalid transaction ID.`);
+      res.status(501).send(`Invalid transaction ID.`);
      return;
    }

@@ -183,7 +180,7 @@ class BitcoinRoutes {
        try {
          cpfpInfo = await transactionRepository.$getCpfpInfo(req.params.txId);
        } catch (e) {
-          handleError(req, res, 500, 'failed to get CPFP info');
+          res.status(500).send('failed to get CPFP info');
          return;
        }
      }
@@ -212,7 +209,7 @@ class BitcoinRoutes {
      if (e instanceof Error && e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
        statusCode = 404;
      }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      res.status(statusCode).send(e instanceof Error ? e.message : e);
    }
  }

@@ -226,7 +223,7 @@ class BitcoinRoutes {
      if (e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
        statusCode = 404;
      }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      res.status(statusCode).send(e instanceof Error ? e.message : e);
    }
  }

@@ -287,13 +284,13 @@ class BitcoinRoutes {
        // Not modified
        // 422 Unprocessable Entity
        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422
-        handleError(req, res, 422, `Psbt had no missing nonWitnessUtxos.`);
+        res.status(422).send(`Psbt had no missing nonWitnessUtxos.`);
      }
    } catch (e: any) {
      if (e instanceof Error && new RegExp(notFoundError).test(e.message)) {
-        handleError(req, res, 404, e.message);
+        res.status(404).send(e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        res.status(500).send(e instanceof Error ? e.message : e);
      }
    }
  }
@@ -307,7 +304,7 @@ class BitcoinRoutes {
      if (e instanceof Error && e.message && e.message.indexOf('No such mempool or blockchain transaction') > -1) {
        statusCode = 404;
      }
-      handleError(req, res, statusCode, e instanceof Error ? e.message : e);
+      res.status(statusCode).send(e instanceof Error ? e.message : e);
    }
  }

@@ -317,7 +314,7 @@ class BitcoinRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
      res.json(transactions);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -339,7 +336,7 @@ class BitcoinRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * cacheDuration).toUTCString());
      res.json(block);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -349,7 +346,7 @@ class BitcoinRoutes {
      res.setHeader('content-type', 'text/plain');
      res.send(blockHeader);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -360,11 +357,10 @@ class BitcoinRoutes {
        res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
        res.json(auditSummary);
      } else {
-        handleError(req, res, 404, `audit not available`);
-        return;
+        return res.status(404).send(`audit not available`);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -375,8 +371,7 @@ class BitcoinRoutes {
        res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24 * 30).toUTCString());
        res.json(auditSummary);
      } else {
-        handleError(req, res, 404, `transaction audit not available`);
-        return;
+        return res.status(404).send(`transaction audit not available`);
      }
    } catch (e) {
      res.status(500).send(e instanceof Error ? e.message : e);
@@ -393,49 +388,42 @@ class BitcoinRoutes {
        return await this.getLegacyBlocks(req, res);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async getBlocksByBulk(req: Request, res: Response) {
    try {
      if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false) { // Liquid - Not implemented
-        handleError(req, res, 404, `This API is only available for Bitcoin networks`);
-        return;
+        return res.status(404).send(`This API is only available for Bitcoin networks`);
      }
      if (config.MEMPOOL.MAX_BLOCKS_BULK_QUERY <= 0) {
-        handleError(req, res, 404, `This API is disabled. Set config.MEMPOOL.MAX_BLOCKS_BULK_QUERY to a positive number to enable it.`);
-        return;
+        return res.status(404).send(`This API is disabled. Set config.MEMPOOL.MAX_BLOCKS_BULK_QUERY to a positive number to enable it.`);
      }
      if (!Common.indexingEnabled()) {
-        handleError(req, res, 404, `Indexing is required for this API`);
-        return;
+        return res.status(404).send(`Indexing is required for this API`);
      }

      const from = parseInt(req.params.from, 10);
      if (!req.params.from || from < 0) {
-        handleError(req, res, 400, `Parameter 'from' must be a block height (integer)`);
-        return;
+        return res.status(400).send(`Parameter 'from' must be a block height (integer)`);
      }
      const to = req.params.to === undefined ? await bitcoinApi.$getBlockHeightTip() : parseInt(req.params.to, 10);
      if (to < 0) {
-        handleError(req, res, 400, `Parameter 'to' must be a block height (integer)`);
-        return;
+        return res.status(400).send(`Parameter 'to' must be a block height (integer)`);
      }
      if (from > to) {
-        handleError(req, res, 400, `Parameter 'to' must be a higher block height than 'from'`);
-        return;
+        return res.status(400).send(`Parameter 'to' must be a higher block height than 'from'`);
      }
      if ((to - from + 1) > config.MEMPOOL.MAX_BLOCKS_BULK_QUERY) {
-        handleError(req, res, 400, `You can only query ${config.MEMPOOL.MAX_BLOCKS_BULK_QUERY} blocks at once.`);
-        return;
+        return res.status(400).send(`You can only query ${config.MEMPOOL.MAX_BLOCKS_BULK_QUERY} blocks at once.`);
      }

      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(await blocks.$getBlocksBetweenHeight(from, to));

    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -470,10 +458,10 @@ class BitcoinRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(returnBlocks);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }
-
+  
  private async getBlockTransactions(req: Request, res: Response) {
    try {
      loadingIndicators.setProgress('blocktxs-' + req.params.hash, 0);
@@ -495,7 +483,7 @@ class BitcoinRoutes {
      res.json(transactions);
    } catch (e) {
      loadingIndicators.setProgress('blocktxs-' + req.params.hash, 100);
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -504,13 +492,13 @@ class BitcoinRoutes {
      const blockHash = await bitcoinApi.$getBlockHash(parseInt(req.params.height, 10));
      res.send(blockHash);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async getAddress(req: Request, res: Response) {
    if (config.MEMPOOL.BACKEND === 'none') {
-      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
+      res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
      return;
    }

@@ -519,16 +507,15 @@ class BitcoinRoutes {
      res.json(addressData);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
-        return;
+        return res.status(413).send(e instanceof Error ? e.message : e);
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async getAddressTransactions(req: Request, res: Response): Promise<void> {
    if (config.MEMPOOL.BACKEND === 'none') {
-      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
+      res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
      return;
    }

@@ -541,23 +528,23 @@ class BitcoinRoutes {
      res.json(transactions);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        res.status(413).send(e instanceof Error ? e.message : e);
        return;
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async getAddressTransactionSummary(req: Request, res: Response): Promise<void> {
    if (config.MEMPOOL.BACKEND !== 'esplora') {
-      handleError(req, res, 405, 'Address summary lookups require mempool/electrs backend.');
+      res.status(405).send('Address summary lookups require mempool/electrs backend.');
      return;
    }
  }

  private async getScriptHash(req: Request, res: Response) {
    if (config.MEMPOOL.BACKEND === 'none') {
-      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
+      res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
      return;
    }

@@ -568,16 +555,15 @@ class BitcoinRoutes {
      res.json(addressData);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
-        return;
+        return res.status(413).send(e instanceof Error ? e.message : e);
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async getScriptHashTransactions(req: Request, res: Response): Promise<void> {
    if (config.MEMPOOL.BACKEND === 'none') {
-      handleError(req, res, 405, 'Address lookups cannot be used with bitcoind as backend.');
+      res.status(405).send('Address lookups cannot be used with bitcoind as backend.');
      return;
    }

@@ -592,16 +578,16 @@ class BitcoinRoutes {
      res.json(transactions);
    } catch (e) {
      if (e instanceof Error && e.message && (e.message.indexOf('too long') > 0 || e.message.indexOf('confirmed status') > 0)) {
-        handleError(req, res, 413, e instanceof Error ? e.message : e);
+        res.status(413).send(e instanceof Error ? e.message : e);
        return;
      }
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async getScriptHashTransactionSummary(req: Request, res: Response): Promise<void> {
    if (config.MEMPOOL.BACKEND !== 'esplora') {
-      handleError(req, res, 405, 'Scripthash summary lookups require mempool/electrs backend.');
+      res.status(405).send('Scripthash summary lookups require mempool/electrs backend.');
      return;
    }
  }
@@ -611,7 +597,7 @@ class BitcoinRoutes {
      const blockHash = await bitcoinApi.$getAddressPrefix(req.params.prefix);
      res.send(blockHash);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -638,7 +624,7 @@ class BitcoinRoutes {
      const rawMempool = await bitcoinApi.$getRawMempool();
      res.send(rawMempool);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -646,13 +632,12 @@ class BitcoinRoutes {
    try {
      const result = blocks.getCurrentBlockHeight();
      if (!result) {
-        handleError(req, res, 503, `Service Temporarily Unavailable`);
-        return;
+        return res.status(503).send(`Service Temporarily Unavailable`);
      }
      res.setHeader('content-type', 'text/plain');
      res.send(result.toString());
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -662,7 +647,7 @@ class BitcoinRoutes {
      res.setHeader('content-type', 'text/plain');
      res.send(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -672,7 +657,7 @@ class BitcoinRoutes {
      res.setHeader('content-type', 'application/octet-stream');
      res.send(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -681,7 +666,7 @@ class BitcoinRoutes {
      const result = await bitcoinApi.$getTxIdsForBlock(req.params.hash);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -690,7 +675,7 @@ class BitcoinRoutes {
      const result = await bitcoinClient.validateAddress(req.params.address);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -703,7 +688,7 @@ class BitcoinRoutes {
        replaces
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -712,7 +697,7 @@ class BitcoinRoutes {
      const result = rbfCache.getRbfTrees(false);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -721,7 +706,7 @@ class BitcoinRoutes {
      const result = rbfCache.getRbfTrees(true);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -734,7 +719,7 @@ class BitcoinRoutes {
        res.status(204).send();
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -743,7 +728,7 @@ class BitcoinRoutes {
      const result = await bitcoinApi.$getOutspends(req.params.txId);
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -753,10 +738,10 @@ class BitcoinRoutes {
      if (da) {
        res.json(da);
      } else {
-        handleError(req, res, 503, `Service Temporarily Unavailable`);
+        res.status(503).send(`Service Temporarily Unavailable`);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -767,7 +752,7 @@ class BitcoinRoutes {
      const txIdResult = await bitcoinApi.$sendRawTransaction(rawTx);
      res.send(txIdResult);
    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
+      res.status(400).send(e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
        : (e.message || 'Error'));
    }
  }
@@ -779,7 +764,7 @@ class BitcoinRoutes {
      const txIdResult = await bitcoinClient.sendRawTransaction(txHex);
      res.send(txIdResult);
    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
+      res.status(400).send(e.message && e.code ? 'sendrawtransaction RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
        : (e.message || 'Error'));
    }
  }
@@ -791,20 +776,8 @@ class BitcoinRoutes {
      const result = await bitcoinApi.$testMempoolAccept(rawTxs, maxfeerate);
      res.send(result);
    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'testmempoolaccept RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
-        : (e.message || 'Error'));
-    }
-  }
-
-  private async $submitPackage(req: Request, res: Response) {
-    try {
-      const rawTxs = Common.getTransactionsFromRequest(req);
-      const maxfeerate = parseFloat(req.query.maxfeerate as string);
-      const maxburnamount = parseFloat(req.query.maxburnamount as string);
-      const result = await bitcoinClient.submitPackage(rawTxs, maxfeerate ?? undefined, maxburnamount ?? undefined);
-      res.send(result);
-    } catch (e: any) {
-      handleError(req, res, 400, e.message && e.code ? 'submitpackage RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
+      res.setHeader('content-type', 'text/plain');
+      res.status(400).send(e.message && e.code ? 'testmempoolaccept RPC error: ' + JSON.stringify({ code: e.code, message: e.message })
        : (e.message || 'Error'));
    }
  }
--- a/backend/src/api/bitcoin/esplora-api.ts
+++ b/backend/src/api/bitcoin/esplora-api.ts
@@ -5,7 +5,7 @@ import { AbstractBitcoinApi, HealthCheckHost } from './bitcoin-api-abstract-fact
 import { IEsploraApi } from './esplora-api.interface';
 import logger from '../../logger';
 import { Common } from '../common';
-import { SubmitPackageResult, TestMempoolAcceptResult } from './bitcoin-api.interface';
+import { TestMempoolAcceptResult } from './bitcoin-api.interface';

 interface FailoverHost {
  host: string,
@@ -332,10 +332,6 @@ class ElectrsApi implements AbstractBitcoinApi {
    throw new Error('Method not implemented.');
  }

-  $submitPackage(rawTransactions: string[]): Promise<SubmitPackageResult> {
-    throw new Error('Method not implemented.');
-  }
-
  $getOutspend(txId: string, vout: number): Promise<IEsploraApi.Outspend> {
    return this.failoverRouter.$get<IEsploraApi.Outspend>('/tx/' + txId + '/outspend/' + vout);
  }
--- a/backend/src/api/blocks.ts
+++ b/backend/src/api/blocks.ts
@@ -34,7 +34,6 @@ import { calculateFastBlockCpfp, calculateGoodBlockCpfp } from './cpfp';
 import mempool from './mempool';
 import CpfpRepository from '../repositories/CpfpRepository';
 import accelerationApi from './services/acceleration';
-import { parseDATUMTemplateCreator } from '../utils/bitcoin-script';

 class Blocks {
  private blocks: BlockExtended[] = [];
@@ -220,10 +219,10 @@ class Blocks {
    };
  }

-  public summarizeBlockTransactions(hash: string, height: number, transactions: TransactionExtended[]): BlockSummary {
+  public summarizeBlockTransactions(hash: string, transactions: TransactionExtended[]): BlockSummary {
    return {
      id: hash,
-      transactions: Common.classifyTransactions(transactions, height),
+      transactions: Common.classifyTransactions(transactions),
    };
  }

@@ -343,12 +342,7 @@ class Blocks {
          id: pool.uniqueId,
          name: pool.name,
          slug: pool.slug,
-          minerNames: null,
        };
-
-        if (extras.pool.name === 'OCEAN') {
-          extras.pool.minerNames = parseDATUMTemplateCreator(extras.coinbaseRaw);
-        }
      }

      extras.matchRate = null;
@@ -622,7 +616,7 @@ class Blocks {
          // add CPFP
          const cpfpSummary = calculateGoodBlockCpfp(height, txs, []);
          // classify
-          const { transactions: classifiedTxs } = this.summarizeBlockTransactions(blockHash, height, cpfpSummary.transactions);
+          const { transactions: classifiedTxs } = this.summarizeBlockTransactions(blockHash, cpfpSummary.transactions);
          await BlocksSummariesRepository.$saveTransactions(height, blockHash, classifiedTxs, 2);
          if (unclassifiedBlocks[height].version < 2 && targetSummaryVersion === 2) {
            const cpfpClusters = await CpfpRepository.$getClustersAt(height);
@@ -659,7 +653,7 @@ class Blocks {
            }
            const cpfpSummary = calculateGoodBlockCpfp(height, templateTxs?.filter(tx => tx['effectiveFeePerVsize'] != null) as MempoolTransactionExtended[], []);
            // classify
-            const { transactions: classifiedTxs } = this.summarizeBlockTransactions(blockHash, height, cpfpSummary.transactions);
+            const { transactions: classifiedTxs } = this.summarizeBlockTransactions(blockHash, cpfpSummary.transactions);
            const classifiedTxMap: { [txid: string]: TransactionClassified } = {};
            for (const tx of classifiedTxs) {
              classifiedTxMap[tx.txid] = tx;
@@ -918,7 +912,7 @@ class Blocks {
      }
      const cpfpSummary: CpfpSummary = calculateGoodBlockCpfp(block.height, transactions, accelerations.map(a => ({ txid: a.txid, max_bid: a.feeDelta })));
      const blockExtended: BlockExtended = await this.$getBlockExtended(block, cpfpSummary.transactions);
-      const blockSummary: BlockSummary = this.summarizeBlockTransactions(block.id, block.height, cpfpSummary.transactions);
+      const blockSummary: BlockSummary = this.summarizeBlockTransactions(block.id, cpfpSummary.transactions);
      this.updateTimerProgress(timer, `got block data for ${this.currentBlockHeight}`);

      if (Common.indexingEnabled()) {
@@ -1175,7 +1169,7 @@ class Blocks {
        transactions: cpfpSummary.transactions.map(tx => {
          let flags: number = 0;
          try {
-            flags = Common.getTransactionFlags(tx, height);
+            flags = Common.getTransactionFlags(tx);
          } catch (e) {
            logger.warn('Failed to classify transaction: ' + (e instanceof Error ? e.message : e));
          }
@@ -1194,7 +1188,7 @@ class Blocks {
    } else {
      if (config.MEMPOOL.BACKEND === 'esplora') {
        const txs = (await bitcoinApi.$getTxsForBlock(hash)).map(tx => transactionUtils.extendTransaction(tx));
-        summary = this.summarizeBlockTransactions(hash, height || 0, txs);
+        summary = this.summarizeBlockTransactions(hash, txs);
        summaryVersion = 1;
      } else {
        // Call Core RPC
@@ -1330,7 +1324,7 @@ class Blocks {
          let summaryVersion = 0;
          if (config.MEMPOOL.BACKEND === 'esplora') {
            const txs = (await bitcoinApi.$getTxsForBlock(cleanBlock.hash)).map(tx => transactionUtils.extendTransaction(tx));
-            summary = this.summarizeBlockTransactions(cleanBlock.hash, cleanBlock.height, txs);
+            summary = this.summarizeBlockTransactions(cleanBlock.hash, txs);
            summaryVersion = 1;
          } else {
            // Call Core RPC
--- a/backend/src/api/common.ts
+++ b/backend/src/api/common.ts
@@ -10,6 +10,7 @@ import logger from '../logger';
 import { getVarIntLength, opcodes, parseMultisigScript } from '../utils/bitcoin-script';

 // Bitcoin Core default policy settings
+const TX_MAX_STANDARD_VERSION = 2;
 const MAX_STANDARD_TX_WEIGHT = 400_000;
 const MAX_BLOCK_SIGOPS_COST = 80_000;
 const MAX_STANDARD_TX_SIGOPS_COST = (MAX_BLOCK_SIGOPS_COST / 5);
@@ -79,8 +80,8 @@ export class Common {
    return arr;
  }

-  static findRbfTransactions(added: MempoolTransactionExtended[], deleted: MempoolTransactionExtended[], forceScalable = false): { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} {
-    const matches: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }} = {};
+  static findRbfTransactions(added: MempoolTransactionExtended[], deleted: MempoolTransactionExtended[], forceScalable = false): { [txid: string]: MempoolTransactionExtended[] } {
+    const matches: { [txid: string]: MempoolTransactionExtended[] } = {};

    // For small N, a naive nested loop is extremely fast, but it doesn't scale
    if (added.length < 1000 && deleted.length < 50 && !forceScalable) {
@@ -95,7 +96,7 @@ export class Common {
              addedTx.vin.some((vin) => vin.txid === deletedVin.txid && vin.vout === deletedVin.vout));
            });
        if (foundMatches?.length) {
-          matches[addedTx.txid] = { replaced: [...new Set(foundMatches)], replacedBy: addedTx };
+          matches[addedTx.txid] = [...new Set(foundMatches)];
        }
      });
    } else {
@@ -123,7 +124,7 @@ export class Common {
            foundMatches.add(deletedTx);
          }
          if (foundMatches.size) {
-            matches[addedTx.txid] = { replaced: [...foundMatches], replacedBy: addedTx };
+            matches[addedTx.txid] = [...foundMatches];
          }
        }
      }
@@ -138,17 +139,17 @@ export class Common {
      const replaced: Set<MempoolTransactionExtended> = new Set();
      for (let i = 0; i < tx.vin.length; i++) {
        const vin = tx.vin[i];
-        const key = `${vin.txid}:${vin.vout}`;
-        const match = spendMap.get(key);
+        const match = spendMap.get(`${vin.txid}:${vin.vout}`);
        if (match && match.txid !== tx.txid) {
          replaced.add(match);
          // remove this tx from the spendMap
          // prevents the same tx being replaced more than once
          for (const replacedVin of match.vin) {
-            const replacedKey = `${replacedVin.txid}:${replacedVin.vout}`;
-            spendMap.delete(replacedKey);
+            const key = `${replacedVin.txid}:${replacedVin.vout}`;
+            spendMap.delete(key);
          }
        }
+        const key = `${vin.txid}:${vin.vout}`;
        spendMap.delete(key);
      }
      if (replaced.size) {
@@ -199,13 +200,10 @@ export class Common {
   *
   * returns true early if any standardness rule is violated, otherwise false
   * (except for non-mandatory-script-verify-flag and p2sh script evaluation rules which are *not* enforced)
-   *
-   * As standardness rules change, we'll need to apply the rules in force *at the time* to older blocks.
-   * For now, just pull out individual rules into versioned functions where necessary.
   */
-  static isNonStandard(tx: TransactionExtended, height?: number): boolean {
+  static isNonStandard(tx: TransactionExtended): boolean {
    // version
-    if (this.isNonStandardVersion(tx, height)) {
+    if (tx.version > TX_MAX_STANDARD_VERSION) {
      return true;
    }

@@ -252,8 +250,6 @@ export class Common {
        }
      } else if (['unknown', 'provably_unspendable', 'empty'].includes(vin.prevout?.scriptpubkey_type || '')) {
        return true;
-      } else if (this.isNonStandardAnchor(tx, height)) {
-        return true;
      }
      // TODO: bad-witness-nonstandard
    }
@@ -339,49 +335,6 @@ export class Common {
    return false;
  }

-  // Individual versioned standardness rules
-
-  static V3_STANDARDNESS_ACTIVATION_HEIGHT = {
-    'testnet4': 42_000,
-    'testnet': 2_900_000,
-    'signet': 211_000,
-    '': 863_500,
-  };
-  static isNonStandardVersion(tx: TransactionExtended, height?: number): boolean {
-    let TX_MAX_STANDARD_VERSION = 3;
-    if (
-      height != null
-      && this.V3_STANDARDNESS_ACTIVATION_HEIGHT[config.MEMPOOL.NETWORK]
-      && height <= this.V3_STANDARDNESS_ACTIVATION_HEIGHT[config.MEMPOOL.NETWORK]
-    ) {
-      // V3 transactions were non-standard to spend before v28.x (scheduled for 2024/09/30 https://github.com/bitcoin/bitcoin/issues/29891)
-      TX_MAX_STANDARD_VERSION = 2;
-    }
-
-    if (tx.version > TX_MAX_STANDARD_VERSION) {
-      return true;
-    }
-    return false;
-  }
-
-  static ANCHOR_STANDARDNESS_ACTIVATION_HEIGHT = {
-    'testnet4': 42_000,
-    'testnet': 2_900_000,
-    'signet': 211_000,
-    '': 863_500,
-  };
-  static isNonStandardAnchor(tx: TransactionExtended, height?: number): boolean {
-    if (
-      height != null
-      && this.ANCHOR_STANDARDNESS_ACTIVATION_HEIGHT[config.MEMPOOL.NETWORK]
-      && height <= this.ANCHOR_STANDARDNESS_ACTIVATION_HEIGHT[config.MEMPOOL.NETWORK]
-    ) {
-      // anchor outputs were non-standard to spend before v28.x (scheduled for 2024/09/30 https://github.com/bitcoin/bitcoin/issues/29891)
-      return true;
-    }
-    return false;
-  }
-
  static getNonWitnessSize(tx: TransactionExtended): number {
    let weight = tx.weight;
    let hasWitness = false;
@@ -462,7 +415,7 @@ export class Common {
    return flags;
  }

-  static getTransactionFlags(tx: TransactionExtended, height?: number): number {
+  static getTransactionFlags(tx: TransactionExtended): number {
    let flags = tx.flags ? BigInt(tx.flags) : 0n;

    // Update variable flags (CPFP, RBF)
@@ -595,7 +548,7 @@ export class Common {
    if (hasFakePubkey) {
      flags |= TransactionFlags.fake_pubkey;
    }
-
+    
    // fast but bad heuristic to detect possible coinjoins
    // (at least 5 inputs and 5 outputs, less than half of which are unique amounts, with no address reuse)
    const addressReuse = Object.keys(reusedOutputAddresses).reduce((acc, key) => Math.max(acc, (reusedInputAddresses[key] || 0) + (reusedOutputAddresses[key] || 0)), 0) > 1;
@@ -611,17 +564,17 @@ export class Common {
      flags |= TransactionFlags.batch_payout;
    }

-    if (this.isNonStandard(tx, height)) {
+    if (this.isNonStandard(tx)) {
      flags |= TransactionFlags.nonstandard;
    }

    return Number(flags);
  }

-  static classifyTransaction(tx: TransactionExtended, height?: number): TransactionClassified {
+  static classifyTransaction(tx: TransactionExtended): TransactionClassified {
    let flags = 0;
    try {
-      flags = Common.getTransactionFlags(tx, height);
+      flags = Common.getTransactionFlags(tx);
    } catch (e) {
      logger.warn('Failed to add classification flags to transaction: ' + (e instanceof Error ? e.message : e));
    }
@@ -632,8 +585,8 @@ export class Common {
    };
  }

-  static classifyTransactions(txs: TransactionExtended[], height?: number): TransactionClassified[] {
-    return txs.map(tx => Common.classifyTransaction(tx, height));
+  static classifyTransactions(txs: TransactionExtended[]): TransactionClassified[] {
+    return txs.map(Common.classifyTransaction);
  }

  static stripTransaction(tx: TransactionExtended): TransactionStripped {
--- a/backend/src/api/database-migration.ts
+++ b/backend/src/api/database-migration.ts
@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';

 class DatabaseMigration {
-  private static currentVersion = 83;
+  private static currentVersion = 81;
  private queryTimeout = 3600_000;
  private statisticsAddedIndexed = false;
  private uniqueLogs: string[] = [];
@@ -700,16 +700,6 @@ class DatabaseMigration {
      await this.$executeQuery('ALTER TABLE `blocks_audits` ADD unseen_txs JSON DEFAULT "[]"');
      await this.updateToSchemaVersion(81);
    }
-
-    if (databaseSchemaVersion < 82 && isBitcoin === true && config.MEMPOOL.NETWORK === 'mainnet') {
-      await this.$fixBadV1AuditBlocks();
-      await this.updateToSchemaVersion(82);
-    }
-
-    if (databaseSchemaVersion < 83 && isBitcoin === true) {
-      await this.$executeQuery('ALTER TABLE `blocks` ADD first_seen datetime(6) DEFAULT NULL');
-      await this.updateToSchemaVersion(83);
-    }
  }

  /**
@@ -1324,28 +1314,6 @@ class DatabaseMigration {
      logger.warn(`Failed to migrate cpfp transaction data`);
    }
  }
-
-  private async $fixBadV1AuditBlocks(): Promise<void> {
-    const badBlocks = [
-      '000000000000000000011ad49227fc8c9ba0ca96ad2ebce41a862f9a244478dc',
-      '000000000000000000010ac1f68b3080153f2826ffddc87ceffdd68ed97d6960',
-      '000000000000000000024cbdafeb2660ae8bd2947d166e7fe15d1689e86b2cf7',
-      '00000000000000000002e1dbfbf6ae057f331992a058b822644b368034f87286',
-      '0000000000000000000019973b2778f08ad6d21e083302ff0833d17066921ebb',
-    ];
-
-    for (const hash of badBlocks) {
-      try {
-        await this.$executeQuery(`
-          UPDATE blocks_audits
-          SET prioritized_txs = '[]'
-          WHERE hash = '${hash}'
-        `, true);
-      } catch (e) {
-        continue;
-      }
-    }
-  }
 }

 export default new DatabaseMigration();
--- a/backend/src/api/disk-cache.ts
+++ b/backend/src/api/disk-cache.ts
@@ -257,7 +257,6 @@ class DiskCache {
          trees: rbfData.rbf.trees,
          expiring: rbfData.rbf.expiring.map(([txid, value]) => ({ key: txid, value })),
          mempool: memPool.getMempool(),
-          spendMap: memPool.getSpendMap(),
        });
      }
    } catch (e) {
--- a/backend/src/api/explorer/channels.routes.ts
+++ b/backend/src/api/explorer/channels.routes.ts
@@ -1,7 +1,6 @@
 import config from '../../config';
 import { Application, Request, Response } from 'express';
 import channelsApi from './channels.api';
-import { handleError } from '../../utils/api';

 class ChannelsRoutes {
  constructor() { }
@@ -23,7 +22,7 @@ class ChannelsRoutes {
      const channels = await channelsApi.$searchChannelsById(req.params.search);
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -39,7 +38,7 @@ class ChannelsRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(channel);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -54,11 +53,11 @@ class ChannelsRoutes {
      const status: string = typeof req.query.status === 'string' ? req.query.status : '';

      if (index < -1) {
-        handleError(req, res, 400, 'Invalid index');
+        res.status(400).send('Invalid index');
        return;
      }
      if (['open', 'active', 'closed'].includes(status) === false) {
-        handleError(req, res, 400, 'Invalid status');
+        res.status(400).send('Invalid status');
        return;
      }

@@ -70,14 +69,14 @@ class ChannelsRoutes {
      res.header('X-Total-Count', channelsCount.toString());
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

  private async $getChannelsByTransactionIds(req: Request, res: Response): Promise<void> {
    try {
      if (!Array.isArray(req.query.txId)) {
-        handleError(req, res, 400, 'Not an array');
+        res.status(400).send('Not an array');
        return;
      }
      const txIds: string[] = [];
@@ -108,7 +107,7 @@ class ChannelsRoutes {

      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -120,7 +119,7 @@ class ChannelsRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -133,7 +132,7 @@ class ChannelsRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(channels);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

--- a/backend/src/api/explorer/general.routes.ts
+++ b/backend/src/api/explorer/general.routes.ts
@@ -3,8 +3,6 @@ import { Application, Request, Response } from 'express';
 import nodesApi from './nodes.api';
 import channelsApi from './channels.api';
 import statisticsApi from './statistics.api';
-import { handleError } from '../../utils/api';
-
 class GeneralLightningRoutes {
  constructor() { }

@@ -29,7 +27,7 @@ class GeneralLightningRoutes {
        channels: channels,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -43,7 +41,7 @@ class GeneralLightningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(statistics);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -52,7 +50,7 @@ class GeneralLightningRoutes {
      const statistics = await statisticsApi.$getLatestStatistics();
      res.json(statistics);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }
 }
--- a/backend/src/api/explorer/nodes.routes.ts
+++ b/backend/src/api/explorer/nodes.routes.ts
@@ -3,7 +3,6 @@ import { Application, Request, Response } from 'express';
 import nodesApi from './nodes.api';
 import DB from '../../database';
 import { INodesRanking } from '../../mempool.interfaces';
-import { handleError } from '../../utils/api';

 class NodesRoutes {
  constructor() { }
@@ -32,7 +31,7 @@ class NodesRoutes {
      const nodes = await nodesApi.$searchNodeByPublicKeyOrAlias(req.params.search);
      res.json(nodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -182,13 +181,13 @@ class NodesRoutes {
          }
        } catch (e) {}
      }
-
+      
      res.header('Pragma', 'public');
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(nodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -196,7 +195,7 @@ class NodesRoutes {
    try {
      const node = await nodesApi.$getNode(req.params.public_key);
      if (!node) {
-        handleError(req, res, 404, 'Node not found');
+        res.status(404).send('Node not found');
        return;
      }
      res.header('Pragma', 'public');
@@ -204,7 +203,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(node);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -216,7 +215,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(statistics);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -224,7 +223,7 @@ class NodesRoutes {
    try {
      const node = await nodesApi.$getFeeHistogram(req.params.public_key);
      if (!node) {
-        handleError(req, res, 404, 'Node not found');
+        res.status(404).send('Node not found');
        return;
      }
      res.header('Pragma', 'public');
@@ -232,7 +231,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(node);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -248,7 +247,7 @@ class NodesRoutes {
        topByChannels: topChannelsNodes,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -260,7 +259,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(topCapacityNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -272,7 +271,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(topCapacityNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -284,7 +283,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(topCapacityNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -296,7 +295,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
      res.json(nodesPerAs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -308,7 +307,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
      res.json(worldNodes);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -323,7 +322,7 @@ class NodesRoutes {
      );

      if (country.length === 0) {
-        handleError(req, res, 404, `This country does not exist or does not host any lightning nodes on clearnet`);
+        res.status(404).send(`This country does not exist or does not host any lightning nodes on clearnet`);
        return;
      }

@@ -336,7 +335,7 @@ class NodesRoutes {
        nodes: nodes,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -350,7 +349,7 @@ class NodesRoutes {
      );

      if (isp.length === 0) {
-        handleError(req, res, 404, `This ISP does not exist or does not host any lightning nodes on clearnet`);
+        res.status(404).send(`This ISP does not exist or does not host any lightning nodes on clearnet`);
        return;
      }

@@ -363,7 +362,7 @@ class NodesRoutes {
        nodes: nodes,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -375,7 +374,7 @@ class NodesRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
      res.json(nodesPerAs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }
 }
--- a/backend/src/api/liquid/liquid.routes.ts
+++ b/backend/src/api/liquid/liquid.routes.ts
@@ -3,7 +3,6 @@ import { Application, Request, Response } from 'express';
 import config from '../../config';
 import elementsParser from './elements-parser';
 import icons from './icons';
-import { handleError } from '../../utils/api';

 class LiquidRoutes {
  public initRoutes(app: Application) {
@@ -43,7 +42,7 @@ class LiquidRoutes {
      res.setHeader('content-length', result.length);
      res.send(result);
    } else {
-      handleError(req, res, 404, 'Asset icon not found');
+      res.status(404).send('Asset icon not found');
    }
  }

@@ -52,7 +51,7 @@ class LiquidRoutes {
    if (result) {
      res.json(result);
    } else {
-      handleError(req, res, 404, 'Asset icons not found');
+      res.status(404).send('Asset icons not found');
    }
  }

@@ -83,7 +82,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
      res.json(pegs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -95,7 +94,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60 * 60).toUTCString());
      res.json(reserves);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -107,7 +106,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(currentSupply);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -119,7 +118,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(currentReserves);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -131,7 +130,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(auditStatus);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -143,7 +142,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationAddresses);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -155,7 +154,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationAddresses);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -167,7 +166,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -179,7 +178,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(expiredUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -191,7 +190,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(federationUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -203,7 +202,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(emergencySpentUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -215,7 +214,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(emergencySpentUtxos);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -227,7 +226,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(recentPegs);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -239,7 +238,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(pegsVolume);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -251,7 +250,7 @@ class LiquidRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 30).toUTCString());
      res.json(pegsCount);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

--- a/backend/src/api/mempool-blocks.ts
+++ b/backend/src/api/mempool-blocks.ts
@@ -369,7 +369,7 @@ class MempoolBlocks {
    const lastBlockIndex = blocks.length - 1;
    let hasBlockStack = blocks.length >= 8;
    let stackWeight;
-    let feeStatsCalculator: OnlineFeeStatsCalculator | null = null;
+    let feeStatsCalculator: OnlineFeeStatsCalculator | void;
    if (hasBlockStack) {
      if (blockWeights && blockWeights[7] !== null) {
        stackWeight = blockWeights[7];
@@ -380,36 +380,28 @@ class MempoolBlocks {
      feeStatsCalculator = new OnlineFeeStatsCalculator(stackWeight, 0.5, [10, 20, 30, 40, 50, 60, 70, 80, 90]);
    }

-    const ancestors: Ancestor[] = [];
-    const descendants: Ancestor[] = [];
-    let ancestor: MempoolTransactionExtended
    for (const cluster of clusters) {
      for (const memberTxid of cluster) {
        const mempoolTx = mempool[memberTxid];
        if (mempoolTx) {
-          // ugly micro-optimization to avoid allocating new arrays
-          ancestors.length = 0;
-          descendants.length = 0;
+          const ancestors: Ancestor[] = [];
+          const descendants: Ancestor[] = [];
          let matched = false;
          cluster.forEach(txid => {
-            ancestor = mempool[txid];
            if (txid === memberTxid) {
              matched = true;
            } else {
-              if (!ancestor) {
+              if (!mempool[txid]) {
                console.log('txid missing from mempool! ', txid, candidates?.txs[txid]);
-                return;
              }
              const relative = {
                txid: txid,
-                fee: ancestor.fee,
-                weight: (ancestor.adjustedVsize * 4),
+                fee: mempool[txid].fee,
+                weight: (mempool[txid].adjustedVsize * 4),
              };
              if (matched) {
                descendants.push(relative);
-                if (!mempoolTx.lastBoosted || (ancestor.firstSeen && ancestor.firstSeen > mempoolTx.lastBoosted)) {
-                  mempoolTx.lastBoosted = ancestor.firstSeen;
-                }
+                mempoolTx.lastBoosted = Math.max(mempoolTx.lastBoosted || 0, mempool[txid].firstSeen || 0);
              } else {
                ancestors.push(relative);
              }
@@ -418,20 +410,7 @@ class MempoolBlocks {
          if (mempoolTx.ancestors?.length !== ancestors.length || mempoolTx.descendants?.length !== descendants.length) {
            mempoolTx.cpfpDirty = true;
          }
-          // ugly micro-optimization to avoid allocating new arrays or objects
-          if (mempoolTx.ancestors) {
-            mempoolTx.ancestors.length = 0;
-          } else {
-            mempoolTx.ancestors = [];
-          }
-          if (mempoolTx.descendants) {
-            mempoolTx.descendants.length = 0;
-          } else {
-            mempoolTx.descendants = [];
-          }
-          mempoolTx.ancestors.push(...ancestors);
-          mempoolTx.descendants.push(...descendants);
-          mempoolTx.cpfpChecked = true;
+          Object.assign(mempoolTx, {ancestors, descendants, bestDescendant: null, cpfpChecked: true});
        }
      }
    }
@@ -441,10 +420,7 @@ class MempoolBlocks {
    const sizeLimit = (config.MEMPOOL.BLOCK_WEIGHT_UNITS / 4) * 1.2;
    // update this thread's mempool with the results
    let mempoolTx: MempoolTransactionExtended;
-    let acceleration: Acceleration;
-    const mempoolBlocks: MempoolBlockWithTransactions[] = [];
-    for (let blockIndex = 0; blockIndex < blocks.length; blockIndex++) {
-      const block = blocks[blockIndex];
+    const mempoolBlocks: MempoolBlockWithTransactions[] = blocks.map((block, blockIndex) => {
      let totalSize = 0;
      let totalVsize = 0;
      let totalWeight = 0;
@@ -460,8 +436,7 @@ class MempoolBlocks {
        }
      }

-      for (let i = 0; i < block.length; i++) {
-        const txid = block[i];
+      for (const txid of block) {
        if (txid) {
          mempoolTx = mempool[txid];
          // save position in projected blocks
@@ -470,37 +445,30 @@ class MempoolBlocks {
            vsize: totalVsize + (mempoolTx.vsize / 2),
          };

-          if (txid in accelerations) {
-            acceleration = accelerations[txid];
-            if (isAcceleratedBy[txid] || (acceleration && (!accelerationPool || acceleration.pools.includes(accelerationPool)))) {
-              if (!mempoolTx.acceleration) {
-                mempoolTx.cpfpDirty = true;
-              }
-              mempoolTx.acceleration = true;
-              mempoolTx.acceleratedBy = isAcceleratedBy[txid] || acceleration?.pools;
-              mempoolTx.acceleratedAt = acceleration?.added;
-              mempoolTx.feeDelta = acceleration?.feeDelta;
-              for (const ancestor of mempoolTx.ancestors || []) {
-                if (!mempool[ancestor.txid].acceleration) {
-                  mempool[ancestor.txid].cpfpDirty = true;
-                }
-                mempool[ancestor.txid].acceleration = true;
-                mempool[ancestor.txid].acceleratedBy = mempoolTx.acceleratedBy;
-                mempool[ancestor.txid].acceleratedAt = mempoolTx.acceleratedAt;
-                mempool[ancestor.txid].feeDelta = mempoolTx.feeDelta;
-                isAcceleratedBy[ancestor.txid] = mempoolTx.acceleratedBy;
-              }
-            } else {
-              if (mempoolTx.acceleration) {
-                mempoolTx.cpfpDirty = true;
-                delete mempoolTx.acceleration;
+          const acceleration = accelerations[txid];
+          if (isAcceleratedBy[txid] || (acceleration && (!accelerationPool || acceleration.pools.includes(accelerationPool)))) {
+            if (!mempoolTx.acceleration) {
+              mempoolTx.cpfpDirty = true;
+            }
+            mempoolTx.acceleration = true;
+            mempoolTx.acceleratedBy = isAcceleratedBy[txid] || acceleration?.pools;
+            mempoolTx.acceleratedAt = acceleration?.added;
+            mempoolTx.feeDelta = acceleration?.feeDelta;
+            for (const ancestor of mempoolTx.ancestors || []) {
+              if (!mempool[ancestor.txid].acceleration) {
+                mempool[ancestor.txid].cpfpDirty = true;
              }
+              mempool[ancestor.txid].acceleration = true;
+              mempool[ancestor.txid].acceleratedBy = mempoolTx.acceleratedBy;
+              mempool[ancestor.txid].acceleratedAt = mempoolTx.acceleratedAt;
+              mempool[ancestor.txid].feeDelta = mempoolTx.feeDelta;
+              isAcceleratedBy[ancestor.txid] = mempoolTx.acceleratedBy;
            }
          } else {
            if (mempoolTx.acceleration) {
              mempoolTx.cpfpDirty = true;
-              delete mempoolTx.acceleration;
            }
+            delete mempoolTx.acceleration;
          }

          // online calculation of stack-of-blocks fee stats
@@ -518,7 +486,7 @@ class MempoolBlocks {
          }
        }
      }
-      mempoolBlocks[blockIndex] = this.dataToMempoolBlocks(
+      return this.dataToMempoolBlocks(
        block,
        transactions,
        totalSize,
@@ -526,7 +494,7 @@ class MempoolBlocks {
        totalFees,
        (hasBlockStack && blockIndex === lastBlockIndex && feeStatsCalculator) ? feeStatsCalculator.getRawFeeStats() : undefined,
      );
-    };
+    });

    if (saveResults) {
      const deltas = this.calculateMempoolDeltas(this.mempoolBlocks, mempoolBlocks);
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -19,13 +19,12 @@ class Mempool {
  private mempoolCache: { [txId: string]: MempoolTransactionExtended } = {};
  private mempoolCandidates: { [txid: string ]: boolean } = {};
  private spendMap = new Map<string, MempoolTransactionExtended>();
-  private recentlyDeleted: MempoolTransactionExtended[][] = []; // buffer of transactions deleted in recent mempool updates
  private mempoolInfo: IBitcoinApi.MempoolInfo = { loaded: false, size: 0, bytes: 0, usage: 0, total_fee: 0,
                                                    maxmempool: 300000000, mempoolminfee: Common.isLiquid() ? 0.00000100 : 0.00001000, minrelaytxfee: Common.isLiquid() ? 0.00000100 : 0.00001000 };
  private mempoolChangedCallback: ((newMempool: {[txId: string]: MempoolTransactionExtended; }, newTransactions: MempoolTransactionExtended[],
-    deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[]) => void) | undefined;
+    deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[]) => void) | undefined;
  private $asyncMempoolChangedCallback: ((newMempool: {[txId: string]: MempoolTransactionExtended; }, mempoolSize: number, newTransactions: MempoolTransactionExtended[],
-    deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[], candidates?: GbtCandidates) => Promise<void>) | undefined;
+    deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[], candidates?: GbtCandidates) => Promise<void>) | undefined;

  private accelerations: { [txId: string]: Acceleration } = {};
  private accelerationPositions: { [txid: string]: { poolId: number, pool: string, block: number, vsize: number }[] } = {};
@@ -75,12 +74,12 @@ class Mempool {
  }

  public setMempoolChangedCallback(fn: (newMempool: { [txId: string]: MempoolTransactionExtended; },
-    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[]) => void): void {
+    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[]) => void): void {
    this.mempoolChangedCallback = fn;
  }

  public setAsyncMempoolChangedCallback(fn: (newMempool: { [txId: string]: MempoolTransactionExtended; }, mempoolSize: number,
-    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[],
+    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[],
    candidates?: GbtCandidates) => Promise<void>): void {
    this.$asyncMempoolChangedCallback = fn;
  }
@@ -363,15 +362,12 @@ class Mempool {

    const candidatesChanged = candidates?.added?.length || candidates?.removed?.length;

-    this.recentlyDeleted.unshift(deletedTransactions);
-    this.recentlyDeleted.length = Math.min(this.recentlyDeleted.length, 10); // truncate to the last 10 mempool updates
-
-    if (this.mempoolChangedCallback && (hasChange || newTransactions.length || deletedTransactions.length)) {
-      this.mempoolChangedCallback(this.mempoolCache, newTransactions, this.recentlyDeleted, accelerationDelta);
+    if (this.mempoolChangedCallback && (hasChange || deletedTransactions.length)) {
+      this.mempoolChangedCallback(this.mempoolCache, newTransactions, deletedTransactions, accelerationDelta);
    }
-    if (this.$asyncMempoolChangedCallback && (hasChange || newTransactions.length || deletedTransactions.length || candidatesChanged)) {
+    if (this.$asyncMempoolChangedCallback && (hasChange || deletedTransactions.length || candidatesChanged)) {
      this.updateTimerProgress(timer, 'running async mempool callback');
-      await this.$asyncMempoolChangedCallback(this.mempoolCache, newMempoolSize, newTransactions, this.recentlyDeleted, accelerationDelta, candidates);
+      await this.$asyncMempoolChangedCallback(this.mempoolCache, newMempoolSize, newTransactions, deletedTransactions, accelerationDelta, candidates);
      this.updateTimerProgress(timer, 'completed async mempool callback');
    }

@@ -545,7 +541,16 @@ class Mempool {
    }
  }

-  public handleRbfTransactions(rbfTransactions: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }}): void {
+  public handleRbfTransactions(rbfTransactions: { [txid: string]: MempoolTransactionExtended[]; }): void {
+    for (const rbfTransaction in rbfTransactions) {
+      if (this.mempoolCache[rbfTransaction] && rbfTransactions[rbfTransaction]?.length) {
+        // Store replaced transactions
+        rbfCache.add(rbfTransactions[rbfTransaction], this.mempoolCache[rbfTransaction]);
+      }
+    }
+  }
+
+  public handleMinedRbfTransactions(rbfTransactions: { [txid: string]: { replaced: MempoolTransactionExtended[], replacedBy: TransactionExtended }}): void {
    for (const rbfTransaction in rbfTransactions) {
      if (rbfTransactions[rbfTransaction].replacedBy && rbfTransactions[rbfTransaction]?.replaced?.length) {
        // Store replaced transactions
--- a/backend/src/api/mining/mining-routes.ts
+++ b/backend/src/api/mining/mining-routes.ts
@@ -10,7 +10,6 @@ import mining from "./mining";
 import PricesRepository from '../../repositories/PricesRepository';
 import AccelerationRepository from '../../repositories/AccelerationRepository';
 import accelerationApi from '../services/acceleration';
-import { handleError } from '../../utils/api';

 class MiningRoutes {
  public initRoutes(app: Application) {
@@ -54,12 +53,12 @@ class MiningRoutes {
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      if (['testnet', 'signet', 'liquidtestnet'].includes(config.MEMPOOL.NETWORK)) {
-        handleError(req, res, 400, 'Prices are not available on testnets.');
+        res.status(400).send('Prices are not available on testnets.');
        return;
      }
      const timestamp = parseInt(req.query.timestamp as string, 10) || 0;
      const currency = req.query.currency as string;
-
+      
      let response;
      if (timestamp && currency) {
        response = await PricesRepository.$getNearestHistoricalPrice(timestamp, currency);
@@ -72,7 +71,7 @@ class MiningRoutes {
      }
      res.status(200).send(response);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -85,9 +84,9 @@ class MiningRoutes {
      res.json(stats);
    } catch (e) {
      if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
-        handleError(req, res, 404, e.message);
+        res.status(404).send(e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        res.status(500).send(e instanceof Error ? e.message : e);
      }
    }
  }
@@ -104,9 +103,9 @@ class MiningRoutes {
      res.json(poolBlocks);
    } catch (e) {
      if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
-        handleError(req, res, 404, e.message);
+        res.status(404).send(e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        res.status(500).send(e instanceof Error ? e.message : e);
      }
    }
  }
@@ -130,7 +129,7 @@ class MiningRoutes {
        res.json(pools);
      }
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -144,7 +143,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(stats);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -158,7 +157,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      res.json(hashrates);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -173,9 +172,9 @@ class MiningRoutes {
      res.json(hashrates);
    } catch (e) {
      if (e instanceof Error && e.message.indexOf('This mining pool does not exist') > -1) {
-        handleError(req, res, 404, e.message);
+        res.status(404).send(e.message);
      } else {
-        handleError(req, res, 500, e instanceof Error ? e.message : e);
+        res.status(500).send(e instanceof Error ? e.message : e);
      }
    }
  }
@@ -183,7 +182,7 @@ class MiningRoutes {
  private async $getHistoricalHashrate(req: Request, res: Response) {
    let currentHashrate = 0, currentDifficulty = 0;
    try {
-      currentHashrate = await bitcoinClient.getNetworkHashPs(1008);
+      currentHashrate = await bitcoinClient.getNetworkHashPs();
      currentDifficulty = await bitcoinClient.getDifficulty();
    } catch (e) {
      logger.debug('Bitcoin Core is not available, using zeroed value for current hashrate and difficulty');
@@ -204,7 +203,7 @@ class MiningRoutes {
        currentDifficulty: currentDifficulty,
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -218,7 +217,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockFees);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -236,7 +235,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockFees);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -250,7 +249,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockRewards);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -264,7 +263,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blockFeeRates);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -282,7 +281,7 @@ class MiningRoutes {
        weights: blockWeights
      });
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -294,7 +293,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      res.json(difficulty.map(adj => [adj.time, adj.height, adj.difficulty, adj.adjustment]));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -318,7 +317,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(blocksHealth.map(health => [health.time, health.height, health.match_rate]));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -327,7 +326,7 @@ class MiningRoutes {
      const audit = await BlocksAuditsRepository.$getBlockAudit(req.params.hash);

      if (!audit) {
-        handleError(req, res, 204, `This block has not been audited.`);
+        res.status(204).send(`This block has not been audited.`);
        return;
      }

@@ -336,7 +335,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
      res.json(audit);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -359,7 +358,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 300).toUTCString());
      res.json(result);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -372,7 +371,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      res.json(await BlocksAuditsRepository.$getBlockAuditScores(height, height - 15));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -385,7 +384,7 @@ class MiningRoutes {
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
      res.json(audit || 'null');
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -395,12 +394,12 @@ class MiningRoutes {
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
-        handleError(req, res, 400, 'Acceleration data is not available.');
+        res.status(400).send('Acceleration data is not available.');
        return;
      }
      res.status(200).send(await AccelerationRepository.$getAccelerationInfo(req.params.slug));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -410,13 +409,13 @@ class MiningRoutes {
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 3600 * 24).toUTCString());
      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
-        handleError(req, res, 400, 'Acceleration data is not available.');
+        res.status(400).send('Acceleration data is not available.');
        return;
      }
      const height = req.params.height === undefined ? undefined : parseInt(req.params.height, 10);
      res.status(200).send(await AccelerationRepository.$getAccelerationInfo(null, height));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -426,12 +425,12 @@ class MiningRoutes {
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
-        handleError(req, res, 400, 'Acceleration data is not available.');
+        res.status(400).send('Acceleration data is not available.');
        return;
      }
      res.status(200).send(await AccelerationRepository.$getAccelerationInfo(null, null, req.params.interval));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -441,12 +440,12 @@ class MiningRoutes {
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
-        handleError(req, res, 400, 'Acceleration data is not available.');
+        res.status(400).send('Acceleration data is not available.');
        return;
      }
      res.status(200).send(await AccelerationRepository.$getAccelerationTotals(<string>req.query.pool, <string>req.query.interval));
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -456,12 +455,12 @@ class MiningRoutes {
      res.header('Cache-control', 'public');
      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
-        handleError(req, res, 400, 'Acceleration data is not available.');
+        res.status(400).send('Acceleration data is not available.');
        return;
      }
      res.status(200).send(accelerationApi.accelerations || []);
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }

@@ -473,7 +472,7 @@ class MiningRoutes {
      accelerationApi.accelerationRequested(req.params.txid);
      res.status(200).send();
    } catch (e) {
-      handleError(req, res, 500, e instanceof Error ? e.message : e);
+      res.status(500).send(e instanceof Error ? e.message : e);
    }
  }
 }
--- a/backend/src/api/rbf-cache.ts
+++ b/backend/src/api/rbf-cache.ts
@@ -44,22 +44,6 @@ interface CacheEvent {
  value?: any,
 }

-/**
- * Singleton for tracking RBF trees
- *
- * Maintains a set of RBF trees, where each tree represents a sequence of
- * consecutive RBF replacements.
- *
- * Trees are identified by the txid of the root transaction.
- *
- * To maintain consistency, the following invariants must be upheld:
- *  - Symmetry: replacedBy(A) = B <=> A in replaces(B)
- *  - Unique id: treeMap(treeMap(X)) = treeMap(X)
- *  - Unique tree: A in replaces(B) => treeMap(A) == treeMap(B)
- *  - Existence: X in treeMap => treeMap(X) in rbfTrees
- *  - Completeness: X in replacedBy => X in treeMap, Y in replaces => Y in treeMap
- */
-
 class RbfCache {
  private replacedBy: Map<string, string> = new Map();
  private replaces: Map<string, string[]> = new Map();
@@ -77,10 +61,6 @@ class RbfCache {
    setInterval(this.cleanup.bind(this), 1000 * 60 * 10);
  }

-  /**
-   * Low level cache operations
-   */
-
  private addTx(txid: string, tx: MempoolTransactionExtended): void {
    this.txs.set(txid, tx);
    this.cacheQueue.push({ op: CacheOp.Add, type: 'tx', txid });
@@ -112,12 +92,6 @@ class RbfCache {
    this.cacheQueue.push({ op: CacheOp.Remove, type: 'exp', txid });
  }

-  /**
-   * Basic data structure operations
-   * must uphold tree invariants
-   */
-
-
  public add(replaced: MempoolTransactionExtended[], newTxExtended: MempoolTransactionExtended): void {
    if (!newTxExtended || !replaced?.length || this.txs.has(newTxExtended.txid)) {
      return;
@@ -140,10 +114,6 @@ class RbfCache {
      if (!replacedTx.rbf) {
        txFullRbf = true;
      }
-      if (this.replacedBy.has(replacedTx.txid)) {
-        // should never happen
-        continue;
-      }
      this.replacedBy.set(replacedTx.txid, newTx.txid);
      if (this.treeMap.has(replacedTx.txid)) {
        const treeId = this.treeMap.get(replacedTx.txid);
@@ -170,47 +140,18 @@ class RbfCache {
      }
    }
    newTx.fullRbf = txFullRbf;
+    const treeId = replacedTrees[0].tx.txid;
    const newTree = {
      tx: newTx,
      time: newTime,
      fullRbf: treeFullRbf,
      replaces: replacedTrees
    };
-    this.addTree(newTree.tx.txid, newTree);
-    this.updateTreeMap(newTree.tx.txid, newTree);
+    this.addTree(treeId, newTree);
+    this.updateTreeMap(treeId, newTree);
    this.replaces.set(newTx.txid, replacedTrees.map(tree => tree.tx.txid));
  }

-  public mined(txid): void {
-    if (!this.txs.has(txid)) {
-      return;
-    }
-    const treeId = this.treeMap.get(txid);
-    if (treeId && this.rbfTrees.has(treeId)) {
-      const tree = this.rbfTrees.get(treeId);
-      if (tree) {
-        this.setTreeMined(tree, txid);
-        tree.mined = true;
-        this.dirtyTrees.add(treeId);
-        this.cacheQueue.push({ op: CacheOp.Change, type: 'tree', txid: treeId });
-      }
-    }
-    this.evict(txid);
-  }
-
-  // flag a transaction as removed from the mempool
-  public evict(txid: string, fast: boolean = false): void {
-    this.evictionCount++;
-    if (this.txs.has(txid) && (fast || !this.expiring.has(txid))) {
-      const expiryTime = fast ? Date.now() + (1000 * 60 * 10) : Date.now() + (1000 * 86400); // 24 hours
-      this.addExpiration(txid, expiryTime);
-    }
-  }
-
-  /**
-   * Read-only public interface
-   */
-
  public has(txId: string): boolean {
    return this.txs.has(txId);
  }
@@ -291,6 +232,32 @@ class RbfCache {
    return changes;
  }

+  public mined(txid): void {
+    if (!this.txs.has(txid)) {
+      return;
+    }
+    const treeId = this.treeMap.get(txid);
+    if (treeId && this.rbfTrees.has(treeId)) {
+      const tree = this.rbfTrees.get(treeId);
+      if (tree) {
+        this.setTreeMined(tree, txid);
+        tree.mined = true;
+        this.dirtyTrees.add(treeId);
+        this.cacheQueue.push({ op: CacheOp.Change, type: 'tree', txid: treeId });
+      }
+    }
+    this.evict(txid);
+  }
+
+  // flag a transaction as removed from the mempool
+  public evict(txid: string, fast: boolean = false): void {
+    this.evictionCount++;
+    if (this.txs.has(txid) && (fast || !this.expiring.has(txid))) {
+      const expiryTime = fast ? Date.now() + (1000 * 60 * 10) : Date.now() + (1000 * 86400); // 24 hours
+      this.addExpiration(txid, expiryTime);
+    }
+  }
+
  // is the transaction involved in a full rbf replacement?
  public isFullRbf(txid: string): boolean {
    const treeId = this.treeMap.get(txid);
@@ -304,10 +271,6 @@ class RbfCache {
    return tree?.fullRbf;
  }

-  /**
-   * Cache maintenance & utility functions
-   */
-
  private cleanup(): void {
    const now = Date.now();
    for (const txid of this.expiring.keys()) {
@@ -336,6 +299,10 @@ class RbfCache {
      for (const tx of (replaces || [])) {
        // recursively remove prior versions from the cache
        this.replacedBy.delete(tx);
+        // if this is the id of a tree, remove that too
+        if (this.treeMap.get(tx) === tx) {
+          this.removeTree(tx);
+        }
        this.remove(tx);
      }
    }
@@ -403,21 +370,14 @@ class RbfCache {
    };
  }

-  public async load({ txs, trees, expiring, mempool, spendMap }): Promise<void> {
+  public async load({ txs, trees, expiring, mempool }): Promise<void> {
    try {
      txs.forEach(txEntry => {
        this.txs.set(txEntry.value.txid, txEntry.value);
      });
      this.staleCount = 0;
-      for (const deflatedTree of trees.sort((a, b) => Object.keys(b).length - Object.keys(a).length)) {
-        const tree = await this.importTree(mempool, deflatedTree.root, deflatedTree.root, deflatedTree, this.txs);
-        if (tree) {
-          this.addTree(tree.tx.txid, tree);
-          this.updateTreeMap(tree.tx.txid, tree);
-          if (tree.mined) {
-            this.evict(tree.tx.txid);
-          }
-        }
+      for (const deflatedTree of trees) {
+        await this.importTree(mempool, deflatedTree.root, deflatedTree.root, deflatedTree, this.txs);
      }
      expiring.forEach(expiringEntry => {
        if (this.txs.has(expiringEntry.key)) {
@@ -425,31 +385,6 @@ class RbfCache {
        }
      });
      this.staleCount = 0;
-
-      // connect cached trees to current mempool transactions
-      const conflicts: Record<string, { replacedBy: MempoolTransactionExtended, replaces: Set<MempoolTransactionExtended> }> = {};
-      for (const tree of this.rbfTrees.values()) {
-        const tx = this.getTx(tree.tx.txid);
-        if (!tx || tree.mined) {
-          continue;
-        }
-        for (const vin of tx.vin) {
-          const conflict = spendMap.get(`${vin.txid}:${vin.vout}`);
-          if (conflict && conflict.txid !== tx.txid) {
-            if (!conflicts[conflict.txid]) {
-              conflicts[conflict.txid] = {
-                replacedBy: conflict,
-                replaces: new Set(),
-              };
-            }
-            conflicts[conflict.txid].replaces.add(tx);
-          }
-        }
-      }
-      for (const { replacedBy, replaces } of Object.values(conflicts)) {
-        this.add([...replaces.values()], replacedBy);
-      }
-
      await this.checkTrees();
      logger.debug(`loaded ${txs.length} txs, ${trees.length} trees into rbf cache, ${expiring.length} due to expire, ${this.staleCount} were stale`);
      this.cleanup();
@@ -491,12 +426,6 @@ class RbfCache {
      return;
    }

-    // if this tx is already in the cache, return early
-    if (this.treeMap.has(txid)) {
-      this.removeTree(deflated.key);
-      return;
-    }
-
    // recursively reconstruct child trees
    for (const childId of treeInfo.replaces) {
      const replaced = await this.importTree(mempool, root, childId, deflated, txs, mined);
@@ -528,6 +457,10 @@ class RbfCache {
      fullRbf: treeInfo.fullRbf,
      replaces,
    };
+    this.treeMap.set(txid, root);
+    if (root === txid) {
+      this.addTree(root, tree);
+    }
    return tree;
  }

@@ -578,7 +511,6 @@ class RbfCache {
      processTxs(txs);
    }

-    // evict missing transactions
    for (const txid of txids) {
      if (!found[txid]) {
        this.evict(txid, false);
--- a/backend/src/api/redis-cache.ts
+++ b/backend/src/api/redis-cache.ts
@@ -365,7 +365,6 @@ class RedisCache {
      trees: rbfTrees.map(loadedTree => { loadedTree.value.key = loadedTree.key; return loadedTree.value; }),
      expiring: rbfExpirations,
      mempool: memPool.getMempool(),
-      spendMap: memPool.getSpendMap(),
    });
  }

--- a/backend/src/api/transaction-utils.ts
+++ b/backend/src/api/transaction-utils.ts
@@ -121,7 +121,6 @@ class TransactionUtils {
    const adjustedVsize = Math.max(fractionalVsize, sigops *  5); // adjusted vsize = Max(weight, sigops * bytes_per_sigop) / witness_scale_factor
    const feePerVbytes = (transaction.fee || 0) / fractionalVsize;
    const adjustedFeePerVsize = (transaction.fee || 0) / adjustedVsize;
-    const effectiveFeePerVsize = transaction['effectiveFeePerVsize'] || adjustedFeePerVsize || feePerVbytes;
    const transactionExtended: MempoolTransactionExtended = Object.assign(transaction, {
      order: this.txidToOrdering(transaction.txid),
      vsize,
@@ -129,7 +128,7 @@ class TransactionUtils {
      sigops,
      feePerVsize: feePerVbytes,
      adjustedFeePerVsize: adjustedFeePerVsize,
-      effectiveFeePerVsize: effectiveFeePerVsize,
+      effectiveFeePerVsize: adjustedFeePerVsize,
    });
    if (!transactionExtended?.status?.confirmed && !transactionExtended.firstSeen) {
      transactionExtended.firstSeen = Math.round((Date.now() / 1000));
@@ -339,87 +338,6 @@ class TransactionUtils {
    const positionOfScript = hasAnnex ? witness.length - 3 : witness.length - 2;
    return witness[positionOfScript];
  }
-
-  // calculate the most parsimonious set of prioritizations given a list of block transactions
-  // (i.e. the most likely prioritizations and deprioritizations)
-  public identifyPrioritizedTransactions(transactions: any[], rateKey: string): { prioritized: string[], deprioritized: string[] } {
-    // find the longest increasing subsequence of transactions
-    // (adapted from https://en.wikipedia.org/wiki/Longest_increasing_subsequence#Efficient_algorithms)
-    // should be O(n log n)
-    const X = transactions.slice(1).reverse().map((tx) => ({ txid: tx.txid, rate: tx[rateKey] })); // standard block order is by *decreasing* effective fee rate, but we want to iterate in increasing order (and skip the coinbase)
-    if (X.length < 2) {
-      return { prioritized: [], deprioritized: [] };
-    }
-    const N = X.length;
-    const P: number[] = new Array(N);
-    const M: number[] = new Array(N + 1);
-    M[0] = -1; // undefined so can be set to any value
-
-    let L = 0;
-    for (let i = 0; i < N; i++) {
-      // Binary search for the smallest positive l ≤ L
-      // such that X[M[l]].effectiveFeePerVsize > X[i].effectiveFeePerVsize
-      let lo = 1;
-      let hi = L + 1;
-      while (lo < hi) {
-        const mid = lo + Math.floor((hi - lo) / 2); // lo <= mid < hi
-        if (X[M[mid]].rate > X[i].rate) {
-          hi = mid;
-        } else { // if X[M[mid]].effectiveFeePerVsize < X[i].effectiveFeePerVsize
-          lo = mid + 1;
-        }
-      }
-
-      // After searching, lo == hi is 1 greater than the
-      // length of the longest prefix of X[i]
-      const newL = lo;
-
-      // The predecessor of X[i] is the last index of
-      // the subsequence of length newL-1
-      P[i] = M[newL - 1];
-      M[newL] = i;
-
-      if (newL > L) {
-        // If we found a subsequence longer than any we've
-        // found yet, update L
-        L = newL;
-      }
-    }
-
-    // Reconstruct the longest increasing subsequence
-    // It consists of the values of X at the L indices:
-    // ..., P[P[M[L]]], P[M[L]], M[L]
-    const LIS: any[] = new Array(L);
-    let k = M[L];
-    for (let j = L - 1; j >= 0; j--) {
-      LIS[j] = X[k];
-      k = P[k];
-    }
-
-    const lisMap = new Map<string, number>();
-    LIS.forEach((tx, index) => lisMap.set(tx.txid, index));
-
-    const prioritized: string[] = [];
-    const deprioritized: string[] = [];
-
-    let lastRate = X[0].rate;
-
-    for (const tx of X) {
-      if (lisMap.has(tx.txid)) {
-        lastRate = tx.rate;
-      } else {
-        if (Math.abs(tx.rate - lastRate) < 0.1) {
-          // skip if the rate is almost the same as the previous transaction
-        } else if (tx.rate <= lastRate) {
-          prioritized.push(tx.txid);
-        } else {
-          deprioritized.push(tx.txid);
-        }
-      }
-    }
-
-    return { prioritized, deprioritized };
-  }
 }

 export default new TransactionUtils();
--- a/backend/src/api/websocket-handler.ts
+++ b/backend/src/api/websocket-handler.ts
@@ -3,8 +3,7 @@ import * as WebSocket from 'ws';
 import {
  BlockExtended, TransactionExtended, MempoolTransactionExtended, WebsocketResponse,
  OptimizedStatistic, ILoadingIndicators, GbtCandidates, TxTrackingInfo,
-  MempoolDelta, MempoolDeltaTxids,
-  TransactionCompressed
+  MempoolDelta, MempoolDeltaTxids
 } from '../mempool.interfaces';
 import blocks from './blocks';
 import memPool from './mempool';
@@ -17,7 +16,6 @@ import transactionUtils from './transaction-utils';
 import rbfCache, { ReplacementInfo } from './rbf-cache';
 import difficultyAdjustment from './difficulty-adjustment';
 import feeApi from './fee-api';
-import BlocksRepository from '../repositories/BlocksRepository';
 import BlocksAuditsRepository from '../repositories/BlocksAuditsRepository';
 import BlocksSummariesRepository from '../repositories/BlocksSummariesRepository';
 import Audit from './audit';
@@ -36,7 +34,6 @@ interface AddressTransactions {
 }
 import bitcoinSecondClient from './bitcoin/bitcoin-second-client';
 import { calculateMempoolTxCpfp } from './cpfp';
-import { getRecentFirstSeen } from '../utils/file-read';

 // valid 'want' subscriptions
 const wantable = [
@@ -318,7 +315,6 @@ class WebsocketHandler {

          if (parsedMessage && parsedMessage['track-mempool-block'] !== undefined) {
            if (Number.isInteger(parsedMessage['track-mempool-block']) && parsedMessage['track-mempool-block'] >= 0) {
-              client['track-mempool-blocks'] = undefined;
              const index = parsedMessage['track-mempool-block'];
              client['track-mempool-block'] = index;
              const mBlocksWithTransactions = mempoolBlocks.getMempoolBlocksWithTransactions();
@@ -328,31 +324,7 @@ class WebsocketHandler {
                blockTransactions: (mBlocksWithTransactions[index]?.transactions || []).map(mempoolBlocks.compressTx),
              });
            } else {
-              client['track-mempool-block'] = undefined;
-            }
-          }
-
-          if (parsedMessage && parsedMessage['track-mempool-blocks'] !== undefined) {
-            if (parsedMessage['track-mempool-blocks'].length > 0) {
-              client['track-mempool-block'] = undefined;
-              const indices: number[] = [];
-              const mBlocksWithTransactions = mempoolBlocks.getMempoolBlocksWithTransactions();
-              const updates: { index: number, sequence: number, blockTransactions: TransactionCompressed[] }[] = [];
-              for (const i of parsedMessage['track-mempool-blocks']) {
-                const index = parseInt(i);
-                if (Number.isInteger(index) && index >= 0) {
-                  indices.push(index);
-                  updates.push({
-                    index: index,
-                    sequence: this.mempoolSequence,
-                    blockTransactions: (mBlocksWithTransactions[index]?.transactions || []).map(mempoolBlocks.compressTx),
-                  });
-                }
-              }
-              client['track-mempool-blocks'] = indices;
-              response['projected-block-transactions'] = JSON.stringify(updates);
-            } else {
-              client['track-mempool-blocks'] = undefined;
+              client['track-mempool-block'] = null;
            }
          }

@@ -548,17 +520,8 @@ class WebsocketHandler {
    }
  }

-  /**
-   *
-   * @param newMempool
-   * @param mempoolSize
-   * @param newTransactions  array of transactions added this mempool update.
-   * @param recentlyDeletedTransactions array of arrays of transactions removed in the last N mempool updates, most recent first.
-   * @param accelerationDelta
-   * @param candidates
-   */
  async $handleMempoolChange(newMempool: { [txid: string]: MempoolTransactionExtended }, mempoolSize: number,
-    newTransactions: MempoolTransactionExtended[], recentlyDeletedTransactions: MempoolTransactionExtended[][], accelerationDelta: string[],
+    newTransactions: MempoolTransactionExtended[], deletedTransactions: MempoolTransactionExtended[], accelerationDelta: string[],
    candidates?: GbtCandidates): Promise<void> {
    if (!this.webSocketServers.length) {
      throw new Error('No WebSocket.Server have been set');
@@ -566,8 +529,6 @@ class WebsocketHandler {

    this.printLogs();

-    const deletedTransactions = recentlyDeletedTransactions.length ? recentlyDeletedTransactions[0] : [];
-
    const transactionIds = (memPool.limitGBT && candidates) ? Object.keys(candidates?.txs || {}) : Object.keys(newMempool);
    let added = newTransactions;
    let removed = deletedTransactions;
@@ -586,7 +547,7 @@ class WebsocketHandler {
    const mBlockDeltas = mempoolBlocks.getMempoolBlockDeltas();
    const mempoolInfo = memPool.getMempoolInfo();
    const vBytesPerSecond = memPool.getVBytesPerSecond();
-    const rbfTransactions = Common.findRbfTransactions(newTransactions, recentlyDeletedTransactions.flat());
+    const rbfTransactions = Common.findRbfTransactions(newTransactions, deletedTransactions);
    const da = difficultyAdjustment.getDifficultyAdjustment();
    const accelerations = memPool.getAccelerations();
    memPool.handleRbfTransactions(rbfTransactions);
@@ -617,7 +578,7 @@ class WebsocketHandler {
    const replacedTransactions: { replaced: string, by: TransactionExtended }[] = [];
    for (const tx of newTransactions) {
      if (rbfTransactions[tx.txid]) {
-        for (const replaced of rbfTransactions[tx.txid].replaced) {
+        for (const replaced of rbfTransactions[tx.txid]) {
          replacedTransactions.push({ replaced: replaced.txid, by: tx });
        }
      }
@@ -936,19 +897,6 @@ class WebsocketHandler {
            delta: mBlockDeltas[index],
          });
        }
-      } else if (client['track-mempool-blocks']?.length && memPool.isInSync()) {
-        const indices = client['track-mempool-blocks'];
-        const updates: string[] = [];
-        for (const index of indices) {
-          if (mBlockDeltas[index]) {
-            updates.push(getCachedResponse(`projected-block-transactions-${index}`, {
-              index: index,
-              sequence: this.mempoolSequence,
-              delta: mBlockDeltas[index],
-            }));
-          }
-        }
-        response['projected-block-transactions'] = '[' + updates.join(',') + ']';
      }

      if (client['track-rbf'] === 'all' && rbfReplacements) {
@@ -999,7 +947,7 @@ class WebsocketHandler {
    await accelerationRepository.$indexAccelerationsForBlock(block, accelerations, structuredClone(transactions));

    const rbfTransactions = Common.findMinedRbfTransactions(transactions, memPool.getSpendMap());
-    memPool.handleRbfTransactions(rbfTransactions);
+    memPool.handleMinedRbfTransactions(rbfTransactions);
    memPool.removeFromSpendMap(transactions);

    if (config.MEMPOOL.AUDIT && memPool.isInSync()) {
@@ -1069,14 +1017,6 @@ class WebsocketHandler {
      }
    }

-    if (config.CORE_RPC.DEBUG_LOG_PATH && block.extras) {
-      const firstSeen = getRecentFirstSeen(block.id);
-      if (firstSeen) {
-        BlocksRepository.$saveFirstSeenTime(block.id, firstSeen);
-        block.extras.firstSeen = firstSeen;
-      }
-    }
-
    const confirmedTxids: { [txid: string]: boolean } = {};

    // Update mempool to remove transactions included in the new block
@@ -1345,27 +1285,6 @@ class WebsocketHandler {
            });
          }
        }
-      } else if (client['track-mempool-blocks']?.length && memPool.isInSync()) {
-        const indices = client['track-mempool-blocks'];
-        const updates: string[] = [];
-        for (const index of indices) {
-          if (mBlockDeltas && mBlockDeltas[index] && mBlocksWithTransactions[index]?.transactions?.length) {
-            if (mBlockDeltas[index].added.length > (mBlocksWithTransactions[index]?.transactions.length / 2)) {
-              updates.push(getCachedResponse(`projected-block-transactions-full-${index}`, {
-                index: index,
-                sequence: this.mempoolSequence,
-                blockTransactions: mBlocksWithTransactions[index].transactions.map(mempoolBlocks.compressTx),
-              }));
-            } else {
-              updates.push(getCachedResponse(`projected-block-transactions-delta-${index}`, {
-                index: index,
-                sequence: this.mempoolSequence,
-                delta: mBlockDeltas[index],
-              }));
-            }
-          }
-        }
-        response['projected-block-transactions'] = '[' + updates.join(',') + ']';
      }

      if (client['track-mempool-txids']) {
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -32,7 +32,6 @@ interface IConfig {
    AUTOMATIC_POOLS_UPDATE: boolean;
    POOLS_JSON_URL: string,
    POOLS_JSON_TREE_URL: string,
-    POOLS_UPDATE_DELAY: number,
    AUDIT: boolean;
    RUST_GBT: boolean;
    LIMIT_GBT: boolean;
@@ -86,7 +85,6 @@ interface IConfig {
    TIMEOUT: number;
    COOKIE: boolean;
    COOKIE_PATH: string;
-    DEBUG_LOG_PATH: string;
  };
  SECOND_CORE_RPC: {
    HOST: string;
@@ -194,9 +192,8 @@ const defaults: IConfig = {
    'AUTOMATIC_POOLS_UPDATE': false,
    'POOLS_JSON_URL': 'https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json',
    'POOLS_JSON_TREE_URL': 'https://api.github.com/repos/mempool/mining-pools/git/trees/master',
-    'POOLS_UPDATE_DELAY': 604800, // in seconds, default is one week
    'AUDIT': false,
-    'RUST_GBT': true,
+    'RUST_GBT': false,
    'LIMIT_GBT': false,
    'CPFP_INDEXING': false,
    'MAX_BLOCKS_BULK_QUERY': 0,
@@ -228,8 +225,7 @@ const defaults: IConfig = {
    'PASSWORD': 'mempool',
    'TIMEOUT': 60000,
    'COOKIE': false,
-    'COOKIE_PATH': '/bitcoin/.cookie',
-    'DEBUG_LOG_PATH': '',
+    'COOKIE_PATH': '/bitcoin/.cookie'
  },
  'SECOND_CORE_RPC': {
    'HOST': '127.0.0.1',
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -211,8 +211,6 @@ class Server {
        }
      });
    }
-
-    poolsUpdater.$startService();
  }

  async runMainUpdateLoop(): Promise<void> {
--- a/backend/src/mempool.interfaces.ts
+++ b/backend/src/mempool.interfaces.ts
@@ -299,7 +299,6 @@ export interface BlockExtension {
    id: number; // Note - This is the `unique_id`, not to mix with the auto increment `id`
    name: string;
    slug: string;
-    minerNames: string[] | null;
  };
  avgFee: number;
  avgFeeRate: number;
@@ -320,7 +319,6 @@ export interface BlockExtension {
  segwitTotalSize: number;
  segwitTotalWeight: number;
  header: string;
-  firstSeen: number | null;
  utxoSetChange: number;
  // Requires coinstatsindex, will be set to NULL otherwise
  utxoSetSize: number | null;
--- a/backend/src/repositories/BlocksRepository.ts
+++ b/backend/src/repositories/BlocksRepository.ts
@@ -14,7 +14,6 @@ import chainTips from '../api/chain-tips';
 import blocks from '../api/blocks';
 import BlocksAuditsRepository from './BlocksAuditsRepository';
 import transactionUtils from '../api/transaction-utils';
-import { parseDATUMTemplateCreator } from '../utils/bitcoin-script';

 interface DatabaseBlock {
  id: string;
@@ -57,7 +56,6 @@ interface DatabaseBlock {
  utxoSetChange: number;
  utxoSetSize: number;
  totalInputAmt: number;
-  firstSeen: number;
 }

 const BLOCK_DB_FIELDS = `
@@ -100,8 +98,7 @@ const BLOCK_DB_FIELDS = `
  blocks.header,
  blocks.utxoset_change AS utxoSetChange,
  blocks.utxoset_size AS utxoSetSize,
-  blocks.total_input_amt AS totalInputAmt,
-  UNIX_TIMESTAMP(blocks.first_seen) AS firstSeen
+  blocks.total_input_amt AS totalInputAmt
 `;

 class BlocksRepository {
@@ -1023,24 +1020,6 @@ class BlocksRepository {
    }
  }

-  /**
-   * Save block first seen time
-   * 
-   * @param id 
-   */
-  public async $saveFirstSeenTime(id: string, firstSeen: number): Promise<void> {
-    try {
-      await DB.query(`
-        UPDATE blocks SET first_seen = FROM_UNIXTIME(?)
-        WHERE hash = ?`,
-        [firstSeen, id]
-      );
-    } catch (e) {
-      logger.err(`Cannot update block first seen time. Reason: ` + (e instanceof Error ? e.message : e));
-      throw e;
-    }
-  }
-
  /**
   * Convert a mysql row block into a BlockExtended. Note that you
   * must provide the correct field into dbBlk object param
@@ -1075,7 +1054,6 @@ class BlocksRepository {
      id: dbBlk.poolId,
      name: dbBlk.poolName,
      slug: dbBlk.poolSlug,
-      minerNames: null,
    };
    extras.avgFee = dbBlk.avgFee;
    extras.avgFeeRate = dbBlk.avgFeeRate;
@@ -1098,7 +1076,6 @@ class BlocksRepository {
    extras.utxoSetSize = dbBlk.utxoSetSize;
    extras.totalInputAmt = dbBlk.totalInputAmt;
    extras.virtualSize = dbBlk.weight / 4.0;
-    extras.firstSeen = dbBlk.firstSeen;

    // Re-org can happen after indexing so we need to always get the
    // latest state from core
@@ -1129,7 +1106,7 @@ class BlocksRepository {
        let summaryVersion = 0;
        if (config.MEMPOOL.BACKEND === 'esplora') {
          const txs = (await bitcoinApi.$getTxsForBlock(dbBlk.id)).map(tx => transactionUtils.extendTransaction(tx));
-          summary = blocks.summarizeBlockTransactions(dbBlk.id, dbBlk.height, txs);
+          summary = blocks.summarizeBlockTransactions(dbBlk.id, txs);
          summaryVersion = 1;
        } else {
          // Call Core RPC
@@ -1146,10 +1123,6 @@ class BlocksRepository {
      }
    }

-    if (extras.pool.name === 'OCEAN') {
-      extras.pool.minerNames = parseDATUMTemplateCreator(extras.coinbaseRaw);
-    }
-
    blk.extras = <BlockExtension>extras;
    return <BlockExtended>blk;
  }
--- a/backend/src/rpc-api/commands.ts
+++ b/backend/src/rpc-api/commands.ts
@@ -83,7 +83,6 @@ module.exports = {
  signRawTransaction: 'signrawtransaction', // bitcoind v0.7.0+
  stop: 'stop',
  submitBlock: 'submitblock', // bitcoind v0.7.0+
-  submitPackage: 'submitpackage',
  validateAddress: 'validateaddress',
  verifyChain: 'verifychain', // bitcoind v0.9.0+
  verifyMessage: 'verifymessage',
--- a/backend/src/tasks/pools-updater.ts
+++ b/backend/src/tasks/pools-updater.ts
@@ -6,30 +6,16 @@ import backendInfo from '../api/backend-info';
 import logger from '../logger';
 import { SocksProxyAgent } from 'socks-proxy-agent';
 import * as https from 'https';
-import { Common } from '../api/common';

 /**
 * Maintain the most recent version of pools-v2.json
 */
 class PoolsUpdater {
-  tag = 'PoolsUpdater';
-
  lastRun: number = 0;
  currentSha: string | null = null;
  poolsUrl: string = config.MEMPOOL.POOLS_JSON_URL;
  treeUrl: string = config.MEMPOOL.POOLS_JSON_TREE_URL;

-  public async $startService(): Promise<void> {
-    while ('Bitcoin is still alive') {
-      try {
-        await this.updatePoolsJson();
-      } catch (e: any) {
-        logger.info(`Exception ${e} in PoolsUpdater::$startService. Code: ${e.code}. Message: ${e.message}`, this.tag);
-      }
-      await Common.sleep$(10000);
-    }
-  }
-
  public async updatePoolsJson(): Promise<void> {
    if (['mainnet', 'testnet', 'signet'].includes(config.MEMPOOL.NETWORK) === false ||
      config.MEMPOOL.ENABLED === false
@@ -37,8 +23,11 @@ class PoolsUpdater {
      return;
    }

+    const oneWeek = 604800;
+    const oneDay = 86400;
+
    const now = new Date().getTime() / 1000;
-    if (now - this.lastRun < config.MEMPOOL.POOLS_UPDATE_DELAY) { // Execute the PoolsUpdate only once a week, or upon restart
+    if (now - this.lastRun < oneWeek) { // Execute the PoolsUpdate only once a week, or upon restart
      return;
    }

@@ -54,7 +43,7 @@ class PoolsUpdater {
        this.currentSha = await this.getShaFromDb();
      }

-      logger.debug(`pools-v2.json sha | Current: ${this.currentSha} | Github: ${githubSha}`, this.tag);
+      logger.debug(`pools-v2.json sha | Current: ${this.currentSha} | Github: ${githubSha}`);
      if (this.currentSha !== null && this.currentSha === githubSha) {
        return;
      }
@@ -64,16 +53,16 @@ class PoolsUpdater {
        config.MEMPOOL.AUTOMATIC_POOLS_UPDATE !== true && // Automatic pools update is disabled
        !process.env.npm_config_update_pools // We're not manually updating mining pool
      ) {
-        logger.warn(`Updated mining pools data is available (${githubSha}) but AUTOMATIC_POOLS_UPDATE is disabled`, this.tag);
-        logger.info(`You can update your mining pools using the --update-pools command flag. You may want to clear your nginx cache as well if applicable`, this.tag);
+        logger.warn(`Updated mining pools data is available (${githubSha}) but AUTOMATIC_POOLS_UPDATE is disabled`);
+        logger.info(`You can update your mining pools using the --update-pools command flag. You may want to clear your nginx cache as well if applicable`);
        return;
      }

      const network = config.SOCKS5PROXY.ENABLED ? 'tor' : 'clearnet';
      if (this.currentSha === null) {
-        logger.info(`Downloading pools-v2.json for the first time from ${this.poolsUrl} over ${network}`, this.tag);
+        logger.info(`Downloading pools-v2.json for the first time from ${this.poolsUrl} over ${network}`, logger.tags.mining);
      } else {
-        logger.warn(`pools-v2.json is outdated, fetching latest from ${this.poolsUrl} over ${network}`, this.tag);
+        logger.warn(`pools-v2.json is outdated, fetching latest from ${this.poolsUrl} over ${network}`, logger.tags.mining);
      }
      const poolsJson = await this.query(this.poolsUrl);
      if (poolsJson === undefined) {
@@ -82,7 +71,7 @@ class PoolsUpdater {
      poolsParser.setMiningPools(poolsJson);

      if (config.DATABASE.ENABLED === false) { // Don't run db operations
-        logger.info(`Mining pools-v2.json (${githubSha}) import completed (no database)`, this.tag);
+        logger.info(`Mining pools-v2.json (${githubSha}) import completed (no database)`);
        return;
      }

@@ -92,14 +81,14 @@ class PoolsUpdater {
        await this.updateDBSha(githubSha);
        await DB.query('COMMIT;');
      } catch (e) {
-        logger.err(`Could not migrate mining pools, rolling back. Exception: ${JSON.stringify(e)}`, this.tag);
+        logger.err(`Could not migrate mining pools, rolling back. Exception: ${JSON.stringify(e)}`, logger.tags.mining);
        await DB.query('ROLLBACK;');
      }
-      logger.info(`Mining pools-v2.json (${githubSha}) import completed`, this.tag);
+      logger.info(`Mining pools-v2.json (${githubSha}) import completed`);

    } catch (e) {
-      this.lastRun = now - 600; // Try again in 10 minutes
-      logger.err(`PoolsUpdater failed. Will try again in 10 minutes. Exception: ${JSON.stringify(e)}`, this.tag);
+      this.lastRun = now - (oneWeek - oneDay); // Try again in 24h instead of waiting next week
+      logger.err(`PoolsUpdater failed. Will try again in 24h. Exception: ${JSON.stringify(e)}`, logger.tags.mining);
    }
  }

@@ -113,7 +102,7 @@ class PoolsUpdater {
        await DB.query('DELETE FROM state where name="pools_json_sha"');
        await DB.query(`INSERT INTO state VALUES('pools_json_sha', NULL, '${githubSha}')`);
      } catch (e) {
-        logger.err('Cannot save github pools-v2.json sha into the db. Reason: ' + (e instanceof Error ? e.message : e), this.tag);
+        logger.err('Cannot save github pools-v2.json sha into the db. Reason: ' + (e instanceof Error ? e.message : e), logger.tags.mining);
      }
    }
  }
@@ -126,7 +115,7 @@ class PoolsUpdater {
      const [rows]: any[] = await DB.query('SELECT string FROM state WHERE name="pools_json_sha"');
      return (rows.length > 0 ? rows[0].string : null);
    } catch (e) {
-      logger.err('Cannot fetch pools-v2.json sha from db. Reason: ' + (e instanceof Error ? e.message : e), this.tag);
+      logger.err('Cannot fetch pools-v2.json sha from db. Reason: ' + (e instanceof Error ? e.message : e), logger.tags.mining);
      return null;
    }
  }
@@ -145,7 +134,7 @@ class PoolsUpdater {
      }
    }

-    logger.err(`Cannot find "pools-v2.json" in git tree (${this.treeUrl})`, this.tag);
+    logger.err(`Cannot find "pools-v2.json" in git tree (${this.treeUrl})`, logger.tags.mining);
    return null;
  }

@@ -197,7 +186,7 @@ class PoolsUpdater {
        }
        return data.data;
      } catch (e) {
-        logger.err('Could not connect to Github. Reason: ' + (e instanceof Error ? e.message : e), this.tag);
+        logger.err('Could not connect to Github. Reason: ' + (e instanceof Error ? e.message : e));
        retry++;
      }
      await setDelay(config.MEMPOOL.EXTERNAL_RETRY_INTERVAL);
--- a/backend/src/utils/api.ts
+++ b/backend/src/utils/api.ts
@@ -1,9 +0,0 @@
-import { Request, Response } from 'express';
-
-export function handleError(req: Request, res: Response, statusCode: number, errorMessage: string | unknown): void {
-  if (req.accepts('json')) {
-    res.status(statusCode).json({ error: errorMessage });
-  } else {
-    res.status(statusCode).send(errorMessage);
-  }
-}
--- a/backend/src/utils/bitcoin-script.ts
+++ b/backend/src/utils/bitcoin-script.ts
@@ -158,7 +158,7 @@ export function parseMultisigScript(script: string): void | { m: number, n: numb
  if (!opN) {
    return;
  }
-  if (opN !== 'OP_0' && !opN.startsWith('OP_PUSHNUM_')) {
+  if (!opN.startsWith('OP_PUSHNUM_')) {
    return;
  }
  const n = parseInt(opN.match(/[0-9]+/)?.[0] || '', 10);
@@ -178,7 +178,7 @@ export function parseMultisigScript(script: string): void | { m: number, n: numb
  if (!opM) {
    return;
  }
-  if (opM !== 'OP_0' && !opM.startsWith('OP_PUSHNUM_')) {
+  if (!opM.startsWith('OP_PUSHNUM_')) {
    return;
  }
  const m = parseInt(opM.match(/[0-9]+/)?.[0] || '', 10);
@@ -200,28 +200,4 @@ export function getVarIntLength(n: number): number {
  } else {
    return 9;
  }
-}
-
-/** Extracts miner names from a DATUM coinbase transaction */
-export function parseDATUMTemplateCreator(coinbaseRaw: string): string[] | null {
-  let bytes: number[] = [];
-  for (let c = 0; c < coinbaseRaw.length; c += 2) {
-      bytes.push(parseInt(coinbaseRaw.slice(c, c + 2), 16));
-  }
-
-  // Skip block height
-  let tagLengthByte = 1 + bytes[0];
-
-  let tagsLength = bytes[tagLengthByte];
-  if (tagsLength == 0x4c) {
-    tagLengthByte += 1;
-    tagsLength = bytes[tagLengthByte];
-  }
-
-  const tagStart = tagLengthByte + 1;
-  const tags = bytes.slice(tagStart, tagStart + tagsLength);
-  let tagString = String.fromCharCode(...tags);
-  tagString = tagString.replace('\x00', '');
-
-  return tagString.split('\x0f').map((name) => name.replace(/[^a-zA-Z0-9 ]/g, ''));
 }
--- a/backend/src/utils/file-read.ts
+++ b/backend/src/utils/file-read.ts
@@ -1,58 +0,0 @@
-import * as fs from 'fs';
-import logger from '../logger';
-import config from '../config';
-
-function readFile(filePath: string, bufferSize?: number): string[] {
-  const fileSize = fs.statSync(filePath).size;
-  const chunkSize = bufferSize || fileSize;
-  const fileDescriptor = fs.openSync(filePath, 'r');
-  const buffer = Buffer.alloc(chunkSize);
-
-  fs.readSync(fileDescriptor, buffer, 0, chunkSize, fileSize - chunkSize);
-  fs.closeSync(fileDescriptor);
-
-  const lines = buffer.toString('utf8', 0, chunkSize).split('\n');
-  return lines;
-}
-
-function extractDateFromLogLine(line: string): number | undefined {
-  // Extract time from log: "2021-08-31T12:34:56Z" or "2021-08-31T12:34:56.123456Z"
-  const dateMatch = line.match(/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(?:\.\d{6})?Z/);
-  if (!dateMatch) {
-    return undefined;
-  }
-
-  const dateStr = dateMatch[0];
-  const date = new Date(dateStr);
-  let timestamp = Math.floor(date.getTime() / 1000); // Remove decimal (microseconds are added later)
-
-  const timePart = dateStr.split('T')[1];
-  const microseconds = timePart.split('.')[1] || '';
-
-  if (!microseconds) {
-    return timestamp;
-  }
-
-  return parseFloat(timestamp + '.' + microseconds);
-}
-
-export function getRecentFirstSeen(hash: string): number | undefined {
-  const debugLogPath = config.CORE_RPC.DEBUG_LOG_PATH;
-  if (debugLogPath) {
-    try {
-      // Read the last few lines of debug.log
-      const lines = readFile(debugLogPath, 2048);
-
-      for (let i = lines.length - 1; i >= 0; i--) {
-        const line = lines[i];
-        if (line && line.includes(`Saw new header hash=${hash}`)) {
-          return extractDateFromLogLine(line);
-        }
-      }
-    } catch (e) {
-      logger.err(`Cannot parse block first seen time from Core logs. Reason: ` + (e instanceof Error ? e.message : e));
-    }
-  }
-
-  return undefined;
-}
--- a/docker/README.md
+++ b/docker/README.md
@@ -109,7 +109,6 @@ Below we list all settings from `mempool-config.json` and the corresponding over
    "AUTOMATIC_POOLS_UPDATE": false,
    "POOLS_JSON_URL": "https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json",
    "POOLS_JSON_TREE_URL": "https://api.github.com/repos/mempool/mining-pools/git/trees/master",
-    "POOLS_UPDATE_DELAY": 604800,
    "CPFP_INDEXING": false,
    "MAX_BLOCKS_BULK_QUERY": 0,
    "DISK_CACHE_BLOCK_INTERVAL": 6,
@@ -141,7 +140,6 @@ Corresponding `docker-compose.yml` overrides:
      MEMPOOL_AUTOMATIC_POOLS_UPDATE: ""
      MEMPOOL_POOLS_JSON_URL: ""
      MEMPOOL_POOLS_JSON_TREE_URL: ""
-      MEMPOOL_POOLS_UPDATE_DELAY: ""
      MEMPOOL_CPFP_INDEXING: ""
      MEMPOOL_MAX_BLOCKS_BULK_QUERY: ""
      MEMPOOL_DISK_CACHE_BLOCK_INTERVAL: ""
--- a/docker/backend/mempool-config.json
+++ b/docker/backend/mempool-config.json
@@ -36,7 +36,6 @@
    "ALLOW_UNREACHABLE": __MEMPOOL_ALLOW_UNREACHABLE__,
    "POOLS_JSON_TREE_URL": "__MEMPOOL_POOLS_JSON_TREE_URL__",
    "POOLS_JSON_URL": "__MEMPOOL_POOLS_JSON_URL__",
-    "POOLS_UPDATE_DELAY": __MEMPOOL_POOLS_UPDATE_DELAY__,
    "PRICE_UPDATES_PER_HOUR": __MEMPOOL_PRICE_UPDATES_PER_HOUR__,
    "MAX_TRACKED_ADDRESSES": __MEMPOOL_MAX_TRACKED_ADDRESSES__
  },
@@ -47,8 +46,7 @@
    "PASSWORD": "__CORE_RPC_PASSWORD__",
    "TIMEOUT": __CORE_RPC_TIMEOUT__,
    "COOKIE": __CORE_RPC_COOKIE__,
-    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__",
-    "DEBUG_LOG_PATH": "__CORE_RPC_DEBUG_LOG_PATH__"
+    "COOKIE_PATH": "__CORE_RPC_COOKIE_PATH__"
  },
  "ELECTRUM": {
    "HOST": "__ELECTRUM_HOST__",
--- a/docker/backend/start.sh
+++ b/docker/backend/start.sh
@@ -29,9 +29,8 @@ __MEMPOOL_STDOUT_LOG_MIN_PRIORITY__=${MEMPOOL_STDOUT_LOG_MIN_PRIORITY:=info}
 __MEMPOOL_AUTOMATIC_POOLS_UPDATE__=${MEMPOOL_AUTOMATIC_POOLS_UPDATE:=false}
 __MEMPOOL_POOLS_JSON_URL__=${MEMPOOL_POOLS_JSON_URL:=https://raw.githubusercontent.com/mempool/mining-pools/master/pools-v2.json}
 __MEMPOOL_POOLS_JSON_TREE_URL__=${MEMPOOL_POOLS_JSON_TREE_URL:=https://api.github.com/repos/mempool/mining-pools/git/trees/master}
-__MEMPOOL_POOLS_UPDATE_DELAY__=${MEMPOOL_POOLS_UPDATE_DELAY:=604800}
 __MEMPOOL_AUDIT__=${MEMPOOL_AUDIT:=false}
-__MEMPOOL_RUST_GBT__=${MEMPOOL_RUST_GBT:=true}
+__MEMPOOL_RUST_GBT__=${MEMPOOL_RUST_GBT:=false}
 __MEMPOOL_LIMIT_GBT__=${MEMPOOL_LIMIT_GBT:=false}
 __MEMPOOL_CPFP_INDEXING__=${MEMPOOL_CPFP_INDEXING:=false}
 __MEMPOOL_MAX_BLOCKS_BULK_QUERY__=${MEMPOOL_MAX_BLOCKS_BULK_QUERY:=0}
@@ -49,7 +48,6 @@ __CORE_RPC_PASSWORD__=${CORE_RPC_PASSWORD:=mempool}
 __CORE_RPC_TIMEOUT__=${CORE_RPC_TIMEOUT:=60000}
 __CORE_RPC_COOKIE__=${CORE_RPC_COOKIE:=false}
 __CORE_RPC_COOKIE_PATH__=${CORE_RPC_COOKIE_PATH:=""}
-__CORE_RPC_DEBUG_LOG_PATH__=${CORE_RPC_DEBUG_LOG_PATH:=""}

 # ELECTRUM
 __ELECTRUM_HOST__=${ELECTRUM_HOST:=127.0.0.1}
@@ -189,7 +187,6 @@ sed -i "s!__MEMPOOL_STDOUT_LOG_MIN_PRIORITY__!${__MEMPOOL_STDOUT_LOG_MIN_PRIORIT
 sed -i "s!__MEMPOOL_AUTOMATIC_POOLS_UPDATE__!${__MEMPOOL_AUTOMATIC_POOLS_UPDATE__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_POOLS_JSON_URL__!${__MEMPOOL_POOLS_JSON_URL__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_POOLS_JSON_TREE_URL__!${__MEMPOOL_POOLS_JSON_TREE_URL__}!g" mempool-config.json
-sed -i "s!__MEMPOOL_POOLS_UPDATE_DELAY__!${__MEMPOOL_POOLS_UPDATE_DELAY__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_AUDIT__!${__MEMPOOL_AUDIT__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_RUST_GBT__!${__MEMPOOL_RUST_GBT__}!g" mempool-config.json
 sed -i "s!__MEMPOOL_LIMIT_GBT__!${__MEMPOOL_LIMIT_GBT__}!g" mempool-config.json
@@ -208,7 +205,6 @@ sed -i "s!__CORE_RPC_PASSWORD__!${__CORE_RPC_PASSWORD__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_TIMEOUT__!${__CORE_RPC_TIMEOUT__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_COOKIE__!${__CORE_RPC_COOKIE__}!g" mempool-config.json
 sed -i "s!__CORE_RPC_COOKIE_PATH__!${__CORE_RPC_COOKIE_PATH__}!g" mempool-config.json
-sed -i "s!__CORE_RPC_DEBUG_LOG_PATH__!${__CORE_RPC_DEBUG_LOG_PATH__}!g" mempool-config.json

 sed -i "s!__ELECTRUM_HOST__!${__ELECTRUM_HOST__}!g" mempool-config.json
 sed -i "s!__ELECTRUM_PORT__!${__ELECTRUM_PORT__}!g" mempool-config.json
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -33,7 +33,7 @@ $ npm run config:defaults:liquid

 ### 3. Run the Frontend

-_Make sure to use Node.js 20.x and npm 9.x or newer._
+_Make sure to use Node.js 16.10 and npm 7._

 Install project dependencies and run the frontend server:

@@ -70,7 +70,7 @@ Set up the [Mempool backend](../backend/) first, if you haven't already.

 ### 1. Build the Frontend

-_Make sure to use Node.js 20.x and npm 9.x or newer._
+_Make sure to use Node.js 16.10 and npm 7._

 Build the frontend:

--- a/frontend/angular.json
+++ b/frontend/angular.json
@@ -54,10 +54,6 @@
            "translation": "src/locale/messages.fr.xlf",
            "baseHref": "/fr/"
          },
-          "hr": {
-            "translation": "src/locale/messages.hr.xlf",
-            "baseHref": "/hr/"
-          },
          "ja": {
            "translation": "src/locale/messages.ja.xlf",
            "baseHref": "/ja/"
--- a/frontend/cypress/fixtures/mainnet_mempoolInfo.json
+++ b/frontend/cypress/fixtures/mainnet_mempoolInfo.json
@@ -750,7 +750,7 @@
    },
    "backendInfo": {
      "hostname": "node205.tk7.mempool.space",
-      "version": "3.1.0-dev",
+      "version": "3.0.0-beta",
      "gitCommit": "abbc8a134",
      "lightning": false
    },
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,6 +1,6 @@
 {
  "name": "mempool-frontend",
-  "version": "3.1.0-dev",
+  "version": "3.0.0-beta",
  "description": "Bitcoin mempool visualizer and blockchain explorer backend",
  "license": "GNU Affero General Public License v3.0",
  "homepage": "https://mempool.space",
@@ -92,10 +92,10 @@
    "ngx-infinite-scroll": "^17.0.0",
    "qrcode": "1.5.1",
    "rxjs": "~7.8.1",
-    "esbuild": "^0.24.0",
+    "esbuild": "^0.23.0",
    "tinyify": "^4.0.0",
    "tlite": "^0.1.9",
-    "tslib": "~2.8.0",
+    "tslib": "~2.6.0",
    "zone.js": "~0.14.4"
  },
  "devDependencies": {
@@ -105,7 +105,7 @@
    "@typescript-eslint/eslint-plugin": "^7.4.0",
    "@typescript-eslint/parser": "^7.4.0",
    "eslint": "^8.57.0",
-    "browser-sync": "^3.0.3",
+    "browser-sync": "^3.0.0",
    "http-proxy-middleware": "~2.0.6",
    "prettier": "^3.0.0",
    "source-map-support": "^0.5.21",
@@ -115,7 +115,7 @@
  "optionalDependencies": {
    "@cypress/schematic": "^2.5.0",
    "@types/cypress": "^1.1.3",
-    "cypress": "^13.15.0",
+    "cypress": "^13.13.0",
    "cypress-fail-on-console-error": "~5.1.0",
    "cypress-wait-until": "^2.0.1",
    "mock-socket": "~9.3.1",
--- a/frontend/src/app/app-routing.module.ts
+++ b/frontend/src/app/app-routing.module.ts
@@ -3,7 +3,6 @@ import { Routes, RouterModule } from '@angular/router';
 import { AppPreloadingStrategy } from './app.preloading-strategy'
 import { BlockViewComponent } from './components/block-view/block-view.component';
 import { EightBlocksComponent } from './components/eight-blocks/eight-blocks.component';
-import { EightMempoolComponent } from './components/eight-mempool/eight-mempool.component';
 import { MempoolBlockViewComponent } from './components/mempool-block-view/mempool-block-view.component';
 import { ClockComponent } from './components/clock/clock.component';
 import { StatusViewComponent } from './components/status-view/status-view.component';
@@ -206,10 +205,6 @@ let routes: Routes = [
    path: 'view/blocks',
    component: EightBlocksComponent,
  },
-  {
-    path: 'view/mempool-blocks',
-    component: EightMempoolComponent,
-  },
  {
    path: 'status',
    data: { networks: ['bitcoin', 'liquid'] },
--- a/frontend/src/app/app.module.ts
+++ b/frontend/src/app/app.module.ts
@@ -6,7 +6,6 @@ import { ZONE_SERVICE } from './injection-tokens';
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './components/app/app.component';
 import { ElectrsApiService } from './services/electrs-api.service';
-import { OrdApiService } from './services/ord-api.service';
 import { StateService } from './services/state.service';
 import { CacheService } from './services/cache.service';
 import { PriceService } from './services/price.service';
@@ -22,7 +21,6 @@ import { StorageService } from './services/storage.service';
 import { HttpCacheInterceptor } from './services/http-cache.interceptor';
 import { LanguageService } from './services/language.service';
 import { ThemeService } from './services/theme.service';
-import { TimeService } from './services/time.service';
 import { FiatShortenerPipe } from './shared/pipes/fiat-shortener.pipe';
 import { FiatCurrencyPipe } from './shared/pipes/fiat-currency.pipe';
 import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-string.pipe';
@@ -33,7 +31,6 @@ import { DatePipe } from '@angular/common';

 const providers = [
  ElectrsApiService,
-  OrdApiService,
  StateService,
  CacheService,
  PriceService,
@@ -45,7 +42,6 @@ const providers = [
  EnterpriseService,
  LanguageService,
  ThemeService,
-  TimeService,
  ShortenStringPipe,
  FiatShortenerPipe,
  FiatCurrencyPipe,
--- a/frontend/src/app/bitcoin.utils.ts
+++ b/frontend/src/app/bitcoin.utils.ts
@@ -135,7 +135,7 @@ export function parseMultisigScript(script: string): void | { m: number, n: numb
    return;
  }
  const opN = ops.pop();
-  if (opN !== 'OP_0' && !opN.startsWith('OP_PUSHNUM_')) {
+  if (!opN.startsWith('OP_PUSHNUM_')) {
    return;
  }
  const n = parseInt(opN.match(/[0-9]+/)[0], 10);
@@ -152,7 +152,7 @@ export function parseMultisigScript(script: string): void | { m: number, n: numb
    }
  }
  const opM = ops.pop();
-  if (opM !== 'OP_0' && !opM.startsWith('OP_PUSHNUM_')) {
+  if (!opM.startsWith('OP_PUSHNUM_')) {
    return;
  }
  const m = parseInt(opM.match(/[0-9]+/)[0], 10);
--- a/frontend/src/app/components/about/about.component.html
+++ b/frontend/src/app/components/about/about.component.html
@@ -53,7 +53,7 @@
        <span>Spiral</span>
      </a>
      <a href="https://foundrydigital.com/" target="_blank" title="Foundry">
-        <svg xmlns="http://www.w3.org/2000/svg" id="b" data-name="Layer 2" style="zoom: 1;" width="32" height="90" viewBox="0 -5 32 90" class="image">
+        <svg xmlns="http://www.w3.org/2000/svg" id="b" data-name="Layer 2" style="zoom: 1;" width="32" height="76" viewBox="0 0 32 76">
          <defs>
            <style>
              .d {
@@ -125,14 +125,17 @@
        <span>Blockstream</span>
      </a>
      <a href="https://unchained.com/" target="_blank" title="Unchained">
-        <svg id="Layer_1" width="78" height="78" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 156.68 156.68" class="image">
-          <defs><style>.cls-unchained-1{fill:#fff;}</style></defs><path class="cls-unchained-1" d="m78.34,0C35.07,0,0,35.07,0,78.34s35.07,78.34,78.34,78.34,78.34-35.07,78.34-78.34S121.6,0,78.34,0ZM20.23,109.5c-4.99-9.28-7.81-19.89-7.81-31.16C12.42,41.93,41.93,12.42,78.34,12.42c33.15,0,60.58,24.46,65.23,56.32h-37.48c-45.29,0-71.19,20.05-85.85,40.76Zm58.11,34.76c-12.42,0-24.04-3.44-33.96-9.41,3.94-8.85,9.11-18.7,15.84-28.9,20.99-31.8,52.2-31.19,76.49-31.19h7.45c.06,1.18.1,2.38.1,3.58,0,36.41-29.51,65.92-65.92,65.92Z"/><path class="cls-unchained-1" d="m91.98,42.4l-3.62-1.18c-3.94-1.29-7.03-4.38-8.32-8.32l-1.18-3.63c-.13-.39-.68-.39-.81,0l-1.18,3.63c-1.29,3.94-4.38,7.03-8.32,8.32l-3.62,1.18c-.39.13-.39.68,0,.81l3.62,1.18c3.94,1.29,7.03,4.38,8.32,8.32l1.18,3.63c.13.39.68.39.81,0l1.18-3.63c1.29-3.94,4.38-7.03,8.32-8.32l3.62-1.18c.39-.13.39-.68,0-.81Z"/>
-        </svg>
+        <svg id="Layer_1" width="78" height="78" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 156.68 156.68"><defs><style>.cls-unchained-1{fill:#fff;}</style></defs><path class="cls-unchained-1" d="m78.34,0C35.07,0,0,35.07,0,78.34s35.07,78.34,78.34,78.34,78.34-35.07,78.34-78.34S121.6,0,78.34,0ZM20.23,109.5c-4.99-9.28-7.81-19.89-7.81-31.16C12.42,41.93,41.93,12.42,78.34,12.42c33.15,0,60.58,24.46,65.23,56.32h-37.48c-45.29,0-71.19,20.05-85.85,40.76Zm58.11,34.76c-12.42,0-24.04-3.44-33.96-9.41,3.94-8.85,9.11-18.7,15.84-28.9,20.99-31.8,52.2-31.19,76.49-31.19h7.45c.06,1.18.1,2.38.1,3.58,0,36.41-29.51,65.92-65.92,65.92Z"/><path class="cls-unchained-1" d="m91.98,42.4l-3.62-1.18c-3.94-1.29-7.03-4.38-8.32-8.32l-1.18-3.63c-.13-.39-.68-.39-.81,0l-1.18,3.63c-1.29,3.94-4.38,7.03-8.32,8.32l-3.62,1.18c-.39.13-.39.68,0,.81l3.62,1.18c3.94,1.29,7.03,4.38,8.32,8.32l1.18,3.63c.13.39.68.39.81,0l1.18-3.63c1.29-3.94,4.38-7.03,8.32-8.32l3.62-1.18c.39-.13.39-.68,0-.81Z"/></svg>
        <span>Unchained</span>
      </a>
-      <a href="https://bitkey.world/" target="_blank" title="Bitkey">
-        <img class="image" src="/resources/profile/bitkey.svg" />
-        <span>Bitkey</span>
+      <a href="https://gemini.com/" target="_blank" title="Gemini">
+        <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="360" height="360" viewBox="0 0 360 360" class="image">
+          <rect style="fill: black" width="360" height="360" />
+          <g transform="matrix(0.62 0 0 0.62 180 180)">
+            <path style="fill: rgb(0,220,250)" transform=" translate(-162, -162)" d="M 211.74 0 C 154.74 0 106.35 43.84 100.25 100.25 C 43.84 106.35 1.4210854715202004e-14 154.76 1.4210854715202004e-14 211.74 C 0.044122601308501076 273.7212006364817 50.27879936351834 323.95587739869154 112.26 324 C 169.26 324 217.84 280.15999999999997 223.75 223.75 C 280.15999999999997 217.65 324 169.24 324 112.26 C 323.95587739869154 50.278799363518324 273.72120063648174 0.04412260130848722 211.74 -1.4210854715202004e-14 z M 297.74 124.84 C 291.9644950552469 162.621439649343 262.2969457716857 192.26062994820046 224.51 198 L 224.51 124.84 z M 26.3 199.16 C 31.986912917108594 161.30935034910615 61.653433460549415 131.56986937804106 99.48999999999998 125.78999999999999 L 99.49 199 L 26.3 199 z M 198.21 224.51 C 191.87736076583954 267.0991541201681 155.312384597087 298.62923417787493 112.255 298.62923417787493 C 69.19761540291302 298.62923417787493 32.63263923416048 267.0991541201682 26.3 224.51 z M 199.16 124.83999999999999 L 199.16 199 L 124.84 199 L 124.84 124.84 z M 297.7 99.48999999999998 L 125.78999999999999 99.48999999999998 C 132.12263923416046 56.90084587983182 168.687615402913 25.37076582212505 211.745 25.37076582212505 C 254.80238459708698 25.37076582212505 291.3673607658395 56.900845879831834 297.7 99.49 z" stroke-linecap="round" />
+          </g>
+        </svg>
+        <span>Gemini</span>
      </a>
      <a href="https://bullbitcoin.com/" target="_blank" title="Bull Bitcoin">
        <svg aria-hidden="true" class="image" viewBox="0 -5 40 40" xmlns="http://www.w3.org/2000/svg">
@@ -147,7 +150,7 @@
        <span>Bull Bitcoin</span>
      </a>
      <a href="https://exodus.com/" target="_blank" title="Exodus">
-        <svg width="80" height="80" viewBox="0 0 500 500" fill="none" xmlns="http://www.w3.org/2000/svg" class="image">
+        <svg width="80" height="80" viewBox="0 0 500 500" fill="none" xmlns="http://www.w3.org/2000/svg">
          <circle cx="250" cy="250" r="250" fill="#1F2033"/>
          <g clip-path="url(#clip0_2_14)">
            <path d="M411.042 178.303L271.79 87V138.048L361.121 196.097L350.612 229.351H271.79V271.648H350.612L361.121 304.903L271.79 362.952V414L411.042 322.989L388.271 250.646L411.042 178.303Z" fill="url(#paint0_linear_2_14)"/>
@@ -188,30 +191,12 @@
        </svg>
        <span>Exodus</span>
      </a>
-      <a href="https://gemini.com/" target="_blank" title="Gemini">
-        <svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="360" height="360" viewBox="0 0 360 360" class="image">
-          <rect style="fill: black" width="360" height="360" />
-          <g transform="matrix(0.62 0 0 0.62 180 180)">
-            <path style="fill: rgb(0,220,250)" transform=" translate(-162, -162)" d="M 211.74 0 C 154.74 0 106.35 43.84 100.25 100.25 C 43.84 106.35 1.4210854715202004e-14 154.76 1.4210854715202004e-14 211.74 C 0.044122601308501076 273.7212006364817 50.27879936351834 323.95587739869154 112.26 324 C 169.26 324 217.84 280.15999999999997 223.75 223.75 C 280.15999999999997 217.65 324 169.24 324 112.26 C 323.95587739869154 50.278799363518324 273.72120063648174 0.04412260130848722 211.74 -1.4210854715202004e-14 z M 297.74 124.84 C 291.9644950552469 162.621439649343 262.2969457716857 192.26062994820046 224.51 198 L 224.51 124.84 z M 26.3 199.16 C 31.986912917108594 161.30935034910615 61.653433460549415 131.56986937804106 99.48999999999998 125.78999999999999 L 99.49 199 L 26.3 199 z M 198.21 224.51 C 191.87736076583954 267.0991541201681 155.312384597087 298.62923417787493 112.255 298.62923417787493 C 69.19761540291302 298.62923417787493 32.63263923416048 267.0991541201682 26.3 224.51 z M 199.16 124.83999999999999 L 199.16 199 L 124.84 199 L 124.84 124.84 z M 297.7 99.48999999999998 L 125.78999999999999 99.48999999999998 C 132.12263923416046 56.90084587983182 168.687615402913 25.37076582212505 211.745 25.37076582212505 C 254.80238459708698 25.37076582212505 291.3673607658395 56.900845879831834 297.7 99.49 z" stroke-linecap="round" />
-          </g>
-        </svg>
-        <span>Gemini</span>
-      </a>
-      <a href="https://leather.io/" target="_blank" title="Leather">
-        <img class="image" src="/resources/profile/leather.svg" />
-        <span>Leather</span>
-      </a>
-
-      <a href="https://taprootwizards.com/" target="_blank" title="Taproot Wizards">
-        <img class="image" src="/resources/profile/wizardhat.png" />
-        <span>Taproot Wizards</span>
-      </a>
    </div>
  </div>

  <ng-container>
    <div *ngIf="profiles$ | async as profiles" id="community-sponsors-anchor">
-      <div class="community-sponsor whale-sponsor" style="margin-bottom: 68px" *ngIf="profiles.whales.length > 0">
+      <div class="community-sponsor" style="margin-bottom: 68px" *ngIf="profiles.whales.length > 0">
        <h3 i18n="about.sponsors.withHeart">Whale Sponsors</h3>
        <div class="wrapper">
          <ng-container>
@@ -450,7 +435,7 @@
      Trademark Notice<br>
    </div>
    <p>
-      The Mempool Open Source Project&reg;, Mempool Accelerator&trade;, Mempool Enterprise&reg;, Mempool Liquidity&trade;, mempool.space&reg;, Be your own explorer&trade;, Explore the full Bitcoin ecosystem&reg;, Mempool Goggles&trade;, the mempool Logo, the mempool Square Logo, the mempool block visualization Logo, the mempool Blocks Logo, the mempool transaction Logo, the mempool Blocks 3 | 2 Logo, the mempool research Logo, the mempool.space Vertical Logo, and the mempool.space Horizontal Logo are either registered trademarks or trademarks of Mempool Space K.K in Japan, the United States, and/or other countries.
+      The Mempool Open Source Project&reg;, Mempool Accelerator&trade;, Mempool Enterprise&reg;, Mempool Liquidity&trade;, mempool.space&reg;, Be your own explorer&trade;, Explore the full Bitcoin ecosystem&reg;, Mempool Goggles&trade;, the mempool logo, the mempool Square logo, the mempool Blocks logo, the mempool Blocks 3 | 2 logo, the mempool.space Vertical Logo, and the mempool.space Horizontal logo are either registered trademarks or trademarks of Mempool Space K.K in Japan, the United States, and/or other countries.
    </p>
    <p>
      While our software is available under an open source software license, the copyright license does not include an implied right or license to use our trademarks. See our <a href="https://mempool.space/trademark-policy">Trademark Policy and Guidelines</a> for more details, published on &lt;https://mempool.space/trademark-policy&gt;.
--- a/frontend/src/app/components/about/about.component.scss
+++ b/frontend/src/app/components/about/about.component.scss
@@ -13,6 +13,8 @@

  .image.not-rounded {
    border-radius: 0;
+    width: 60px;
+    height: 60px;
  }

  .intro {
@@ -92,13 +94,6 @@
    }
  }

-  .whale-sponsor {
-    img {
-      width: 70px;
-      height: 70px;
-    }
-  }
-
  .alliances {
    margin-bottom: 100px;
    a {
@@ -163,8 +158,9 @@
          margin: 40px 29px 10px;
          &.image.coldcard {
            border-radius: 0;
-            height: auto;
-            margin: 20px 29px 20px;
+            width: auto;
+            max-height: 50px;
+            margin: 40px 29px 14px 29px;
          }
        }
      }
@@ -258,12 +254,3 @@
  width: 64px;
  height: 64px;
 }
-
-.enterprise-sponsor {
-  .wrapper {
-    display: flex;
-    flex-wrap: wrap;
-    justify-content: center;
-    max-width: 800px; 
-  }
-}
--- a/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts
@@ -75,7 +75,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
  @Output() changeMode = new EventEmitter<boolean>();

  calculating = true;
-  processing = false;
  selectedOption: 'wait' | 'accel';
  cantPayReason = '';
  quoteError = ''; // error fetching estimate or initial data
@@ -197,11 +196,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
    if (changes.scrollEvent && this.scrollEvent) {
      this.scrollToElement('acceleratePreviewAnchor', 'start');
    }
-    if (changes.accelerating && this.accelerating) {
-      if (this.step === 'processing' || this.step === 'paid') {
+    if (changes.accelerating) {
+      if ((this.step === 'processing' || this.step === 'paid') && this.accelerating) {
        this.moveToStep('success');
-      } else { // Edge case where the transaction gets accelerated by someone else or on another session
-        this.closeModal();
      }
    }
  }
@@ -374,7 +371,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
      this.selectFeeRateIndex = index;
      this.userBid = Math.max(0, fee);
      this.cost = this.userBid + this.estimate.mempoolBaseFee + this.estimate.vsizeFee;
-      this.validateChoice();
    }
  }

@@ -382,10 +378,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * Account-based acceleration request
   */
  accelerateWithMempoolAccount(): void {
-    if (!this.canPay || this.calculating || this.processing) {
+    if (!this.canPay || this.calculating) {
      return;
    }
-    this.processing = true;
    if (this.accelerationSubscription) {
      this.accelerationSubscription.unsubscribe();
    }
@@ -395,7 +390,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
      this.accelerationUUID
    ).subscribe({
      next: () => {
-        this.processing = false;
        this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
        this.audioService.playSound('ascend-chime-cartoon');
        this.showSuccess = true;
@@ -403,7 +397,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
        this.moveToStep('paid');
      },
      error: (response) => {
-        this.processing = false;
        this.accelerateError = response.error;
      }
    });
@@ -473,14 +466,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * APPLE PAY
   */
  async requestApplePayPayment(): Promise<void> {
-    if (this.processing) {
-      return;
-    }
    if (this.conversionsSubscription) {
      this.conversionsSubscription.unsubscribe();
    }

-    this.processing = true;
    this.conversionsSubscription = this.stateService.conversions$.subscribe(
      async (conversions) => {
        this.conversions = conversions;
@@ -505,7 +494,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
            console.error(`Unable to find apple pay button id='apple-pay-button'`);
            // Try again
            setTimeout(this.requestApplePayPayment.bind(this), 500);
-            this.processing = false;
            return;
          }
          this.loadingApplePay = false;
@@ -517,7 +505,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
              if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
                console.error(`Cannot retreive payment card details`);
                this.accelerateError = 'apple_pay_no_card_details';
-                this.processing = false;
                return;
              }
              const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
@@ -526,11 +513,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                tokenResult.token,
                cardTag,
                `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-                this.accelerationUUID,
-                costUSD
+                this.accelerationUUID
              ).subscribe({
                next: () => {
-                  this.processing = false;
                  this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
                  this.audioService.playSound('ascend-chime-cartoon');
                  if (this.applePay) {
@@ -541,7 +526,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                  }, 1000);
                },
                error: (response) => {
-                  this.processing = false;
                  this.accelerateError = response.error;
                  if (!(response.status === 403 && response.error === 'not_available')) {
                    setTimeout(() => {
@@ -553,7 +537,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                }
              });
            } else {
-              this.processing = false;
              let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
              if (tokenResult.errors) {
                errorMessage += ` and errors: ${JSON.stringify(
@@ -564,7 +547,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
            }
          });
        } catch (e) {
-          this.processing = false;
          console.error(e);
        }
      }
@@ -575,14 +557,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * GOOGLE PAY
   */
  async requestGooglePayPayment(): Promise<void> {
-    if (this.processing) {
-      return;
-    }
    if (this.conversionsSubscription) {
      this.conversionsSubscription.unsubscribe();
    }
-    
-    this.processing = true;
+
    this.conversionsSubscription = this.stateService.conversions$.subscribe(
      async (conversions) => {
        this.conversions = conversions;
@@ -617,7 +595,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
            if (!card || !card.brand || !card.expMonth || !card.expYear || !card.last4) {
              console.error(`Cannot retreive payment card details`);
              this.accelerateError = 'apple_pay_no_card_details';
-              this.processing = false;
              return;
            }
            const cardTag = md5(`${card.brand}${card.expMonth}${card.expYear}${card.last4}`.toLowerCase());
@@ -626,11 +603,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
              tokenResult.token,
              cardTag,
              `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
-              this.accelerationUUID,
-              costUSD
+              this.accelerationUUID
            ).subscribe({
              next: () => {
-                this.processing = false;
                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
                this.audioService.playSound('ascend-chime-cartoon');
                if (this.googlePay) {
@@ -641,7 +616,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                }, 1000);
              },
              error: (response) => {
-                this.processing = false;
                this.accelerateError = response.error;
                if (!(response.status === 403 && response.error === 'not_available')) {
                  setTimeout(() => {
@@ -653,7 +627,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
              }
            });
          } else {
-            this.processing = false;
            let errorMessage = `Tokenization failed with status: ${tokenResult.status}`;
            if (tokenResult.errors) {
              errorMessage += ` and errors: ${JSON.stringify(
@@ -671,14 +644,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   * CASHAPP
   */
  async requestCashAppPayment(): Promise<void> {
-    if (this.processing) {
-      return;
-    }
    if (this.conversionsSubscription) {
      this.conversionsSubscription.unsubscribe();
    }

-    this.processing = true;
    this.conversionsSubscription = this.stateService.conversions$.subscribe(
      async (conversions) => {
        this.conversions = conversions;
@@ -709,7 +678,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
        this.cashAppPay.addEventListener('ontokenization', event => {
          const { tokenResult, error } = event.detail;
          if (error) {
-            this.processing = false;
            this.accelerateError = error;
          } else if (tokenResult.status === 'OK') {
            this.servicesApiService.accelerateWithCashApp$(
@@ -717,11 +685,9 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
              tokenResult.token,
              tokenResult.details.cashAppPay.cashtag,
              tokenResult.details.cashAppPay.referenceId,
-              this.accelerationUUID,
-              costUSD
+              this.accelerationUUID
            ).subscribe({
              next: () => {
-                this.processing = false;
                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
                this.audioService.playSound('ascend-chime-cartoon');
                if (this.cashAppPay) {
@@ -736,7 +702,6 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
                }, 1000);
              },
              error: (response) => {
-                this.processing = false;
                this.accelerateError = response.error;
                if (!(response.status === 403 && response.error === 'not_available')) {
                  setTimeout(() => {
--- a/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.html
+++ b/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.html
@@ -12,7 +12,7 @@
          </p>
        </div>
        <div class="spacer"></div>
-        <span class="fee">{{ bar.class === 'tx' ? '' : '+' }}{{ bar.fee | number }} <span class="symbol" i18n="shared.sats">sats</span></span>
+        <span class="fee">{{ bar.class === 'tx' ? '' : '+' }}{{ bar.fee | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></span>
        <div class="spacer"></div>
        <div class="spacer"></div>
      </div>
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.html
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.html
@@ -21,14 +21,14 @@
      </tr>
      <tr *ngIf="accelerationInfo.fee">
        <td class="label" i18n="transaction.fee|Transaction fee">Fee</td>
-        <td class="value">{{ accelerationInfo.fee | number }} <span class="symbol" i18n="shared.sats">sats</span></td>
+        <td class="value">{{ accelerationInfo.fee | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></td>
      </tr>
      <tr *ngIf="accelerationInfo.bidBoost >= 0 || accelerationInfo.feeDelta">
        <td class="label" i18n="transaction.out-of-band-fees">Out-of-band fees</td>
        @if (accelerationInfo.status === 'accelerated') {
-          <td class="value oobFees">{{ accelerationInfo.feeDelta | number }} <span class="symbol" i18n="shared.sats">sats</span></td>
+          <td class="value oobFees">{{ accelerationInfo.feeDelta | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></td>
        } @else {
-          <td class="value oobFees">{{ accelerationInfo.bidBoost | number }} <span class="symbol" i18n="shared.sats">sats</span></td>
+          <td class="value oobFees">{{ accelerationInfo.bidBoost | number }} <span class="symbol" i18n="shared.sat|sat">sat</span></td>
        }
      </tr>
      <tr *ngIf="accelerationInfo.fee && accelerationInfo.weight">
@@ -47,14 +47,13 @@
      <tr *ngIf="['accelerated', 'mined'].includes(accelerationInfo.status) && hasPoolsData()">
        <td class="label" i18n="transaction.accelerated-by-hashrate|Accelerated to hashrate">Accelerated by</td>
        <td class="value" *ngIf="accelerationInfo.pools">
-          <ng-container *ngFor="let pool of accelerationInfo.pools; let i = index;">
+          <ng-container *ngFor="let pool of accelerationInfo.pools">
            <img *ngIf="accelerationInfo.poolsData[pool]" 
              class="pool-logo" 
              [style.opacity]="accelerationInfo?.minedByPoolUniqueId && pool !== accelerationInfo?.minedByPoolUniqueId ? '0.3' : '1'"
              [src]="'/resources/mining-pools/' + accelerationInfo.poolsData[pool].slug + '.svg'" 
              onError="this.src = '/resources/mining-pools/default.svg'" 
              [alt]="'Logo of ' + pool.name + ' mining pool'">
-            <br *ngIf="i % 6 === 5">
          </ng-container>
        </td>
      </tr>
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.scss
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline-tooltip.component.scss
@@ -23,7 +23,6 @@

  .label {
    padding-right: 30px;
-    vertical-align: top;
  }

  .pool-logo {
@@ -31,8 +30,7 @@
    height: 22px;
    position: relative;
    top: -1px;
-    margin-right: 4px;
-    margin-bottom: 4px;
+    margin-right: 3px;
  }

  .oobFees {
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.html
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.html
@@ -9,7 +9,7 @@
        <div class="interval">
          <div class="interval-time">
            @if (eta) {
-              ~<app-time [time]="eta?.wait / 1000"></app-time>
+              ~<app-time [time]="eta?.wait / 1000"></app-time> <!-- <span *ngIf="accelerateRatio > 1" class="compare"> ({{ accelerateRatio }}x faster)</span> -->
              }
          </div>
        </div>
@@ -38,7 +38,7 @@
        <div class="node-spacer"></div>
        <div class="interval">
          <div class="interval-time">
-            <app-time [time]="firstSeenToAccelerated"></app-time>
+            <app-time [time]="acceleratedAt - transactionTime"></app-time>
          </div>
        </div>
        <div class="node-spacer"></div>
@@ -46,8 +46,10 @@
          <div class="interval-time">
            @if (tx.status.confirmed) {
              <div class="interval-time">
-                <app-time [time]="acceleratedToMined"></app-time>
+                <app-time [time]="tx.status.block_time - acceleratedAt"></app-time>
              </div>
+            } @else if (standardETA && !tx.status.confirmed) {
+              <!-- ~<app-time [time]="standardETA / 1000 - now"></app-time> -->
            }
          </div>
        </div>
--- a/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.ts
+++ b/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.ts
@@ -11,16 +11,19 @@ import { MiningService } from '../../services/mining.service';
 })
 export class AccelerationTimelineComponent implements OnInit, OnChanges {
  @Input() transactionTime: number;
-  @Input() acceleratedAt: number;
  @Input() tx: Transaction;
  @Input() accelerationInfo: Acceleration;
  @Input() eta: ETA;
+  // A mined transaction has standard ETA and accelerated ETA undefined
+  // A transaction in mempool has either standardETA defined (if accelerated) or acceleratedETA defined (if not accelerated yet)
+  @Input() standardETA: number;
+  @Input() acceleratedETA: number;

+  acceleratedAt: number;
  now: number;
  accelerateRatio: number;
  useAbsoluteTime: boolean = false;
-  firstSeenToAccelerated: number;
-  acceleratedToMined: number;
+  interval: number;

  tooltipPosition = null;
  hoverInfo: any = null;
@@ -31,24 +34,38 @@ export class AccelerationTimelineComponent implements OnInit, OnChanges {
  ) {}

  ngOnInit(): void {
-    this.updateTimes();
+    this.acceleratedAt = this.tx.acceleratedAt ?? new Date().getTime() / 1000;
+    this.now = Math.floor(new Date().getTime() / 1000);
+    this.useAbsoluteTime = this.tx.status.block_time < this.now - 7 * 24 * 3600;

    this.miningService.getPools().subscribe(pools => {
      for (const pool of pools) {
        this.poolsData[pool.unique_id] = pool;
      }
    });
+
+    this.interval = window.setInterval(() => {
+      this.now = Math.floor(new Date().getTime() / 1000);
+      this.useAbsoluteTime = this.tx.status.block_time < this.now - 7 * 24 * 3600;
+    }, 60000);
  }

  ngOnChanges(changes): void {
-    this.updateTimes();
+    // Hide standard ETA while we don't have a proper standard ETA calculation, see https://github.com/mempool/mempool/issues/65
+    
+    // if (changes?.eta?.currentValue || changes?.standardETA?.currentValue || changes?.acceleratedETA?.currentValue) {
+    //   if (changes?.eta?.currentValue) {
+    //     if (changes?.acceleratedETA?.currentValue) {
+    //       this.accelerateRatio = Math.floor((Math.floor(changes.eta.currentValue.time / 1000) - this.now) / (Math.floor(changes.acceleratedETA.currentValue / 1000) - this.now));
+    //     } else if (changes?.standardETA?.currentValue) {
+    //       this.accelerateRatio = Math.floor((Math.floor(changes.standardETA.currentValue / 1000) - this.now) / (Math.floor(changes.eta.currentValue.time / 1000) - this.now));
+    //     }
+    //   }
+    // }
  }

-  updateTimes(): void {
-    this.now = Math.floor(new Date().getTime() / 1000);
-    this.useAbsoluteTime = this.tx.status.block_time < this.now - 7 * 24 * 3600;
-    this.firstSeenToAccelerated = Math.max(0, this.acceleratedAt - this.transactionTime);
-    this.acceleratedToMined = Math.max(0, this.tx.status.block_time - this.acceleratedAt);
+  ngOnDestroy(): void {
+    clearInterval(this.interval);
  }
  
  onHover(event, status: string): void {
--- a/frontend/src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts
+++ b/frontend/src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts
@@ -264,7 +264,7 @@ export class AccelerationFeesGraphComponent implements OnInit, OnChanges, OnDest
          type: 'bar',
          barWidth: '90%',
          large: true,
-          barMinHeight: 3,
+          barMinHeight: 1,
        },
      ],
      dataZoom: (this.widget || data.length === 0 )? undefined : [{
--- a/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.html
+++ b/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.html
@@ -33,7 +33,7 @@
              <app-fee-rate [fee]="acceleration.effectiveFee" [weight]="acceleration.effectiveVsize * 4"></app-fee-rate>
            </td>
            <td class="bid text-right">
-              {{ (acceleration.feeDelta) | number }} <span class="symbol" i18n="shared.sats">sats</span>
+              {{ (acceleration.feeDelta) | number }} <span class="symbol" i18n="shared.sat|sat">sat</span>
            </td>
            <td class="time text-right">
              <app-time kind="since" [time]="acceleration.added" [fastRender]="true" [showTooltip]="true"></app-time>
@@ -41,7 +41,7 @@
          </ng-container>
          <ng-container *ngIf="!pending">
            <td *ngIf="acceleration.boost != null" class="fee text-right">
-              {{ acceleration.boost | number }} <span class="symbol" i18n="shared.sats">sats</span>
+              {{ acceleration.boost | number }} <span class="symbol" i18n="shared.sat|sat">sat</span>
            </td>
            <td *ngIf="acceleration.boost == null" class="fee text-right">
              ~
@@ -64,7 +64,7 @@
              <span *ngIf="acceleration.status === 'accelerating'" class="badge badge-warning" i18n="accelerator.pending">Pending</span>
              <span *ngIf="acceleration.status.includes('completed') && acceleration.minedByPoolUniqueId && pools[acceleration.minedByPoolUniqueId]" class="badge badge-success"><ng-container i18n="accelerator.completed">Completed</ng-container><span *ngIf="acceleration.status === 'completed_provisional'">&nbsp;⌛</span></span>
              <span *ngIf="acceleration.status.includes('completed') && (!acceleration.minedByPoolUniqueId || !pools[acceleration.minedByPoolUniqueId])" class="badge badge-success"><ng-container i18n="transaction.rbf.mined">Mined</ng-container><span *ngIf="acceleration.status === 'completed_provisional'">&nbsp;⌛</span></span>
-              <span *ngIf="acceleration.status.includes('failed')" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Canceled</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
+              <span *ngIf="acceleration.status.includes('failed')" class="badge badge-danger"><ng-container i18n="accelerator.canceled">Failed</ng-container><span *ngIf="acceleration.status === 'failed_provisional'">&nbsp;⌛</span></span>
            </td>
            <td class="date text-right" *ngIf="!this.widget">
              <app-time kind="since" [time]="acceleration.added" [fastRender]="true" [showTooltip]="true"></app-time>
--- a/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.ts
+++ b/frontend/src/app/components/acceleration/accelerations-list/accelerations-list.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit, ChangeDetectionStrategy, Input, ChangeDetectorRef, OnDestroy, Inject, LOCALE_ID } from '@angular/core';
-import { BehaviorSubject, Observable, Subscription, catchError, combineLatest, filter, of, switchMap, tap, throttleTime, timer } from 'rxjs';
+import { BehaviorSubject, Observable, Subscription, catchError, filter, of, switchMap, tap, throttleTime } from 'rxjs';
 import { Acceleration, BlockExtended, SinglePoolStats } from '../../../interfaces/node-api.interface';
 import { StateService } from '../../../services/state.service';
 import { WebsocketService } from '../../../services/websocket.service';
@@ -61,11 +61,8 @@ export class AccelerationsListComponent implements OnInit, OnDestroy {
      this.websocketService.want(['blocks']);
      this.seoService.setTitle($localize`:@@02573b6980a2d611b4361a2595a4447e390058cd:Accelerations`);

-      this.paramSubscription = combineLatest([
-        this.route.params,
-        timer(0),
-      ]).pipe(
-        tap(([params]) => {
+      this.paramSubscription = this.route.params.pipe(
+        tap(params => {
          this.page = +params['page'] || 1;
          this.pageSubject.next(this.page);
        })
--- a/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html
+++ b/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html
@@ -10,10 +10,10 @@
      </td>
      <td class="field-value" [class]="chartPositionLeft ? 'chart-left' : ''">
        <div class="effective-fee-container">
-          @if (accelerationInfo?.acceleratedFeeRate && (!effectiveFeeRate || accelerationInfo.acceleratedFeeRate >= effectiveFeeRate)) {
+          @if (accelerationInfo?.acceleratedFeeRate && (!tx.effectiveFeePerVsize || accelerationInfo.acceleratedFeeRate >= tx.effectiveFeePerVsize)) {
            <app-fee-rate class="oobFees" [fee]="accelerationInfo.acceleratedFeeRate"></app-fee-rate>
          } @else {
-            <app-fee-rate class="oobFees" [fee]="effectiveFeeRate"></app-fee-rate>
+            <app-fee-rate class="oobFees" [fee]="tx.effectiveFeePerVsize"></app-fee-rate>
          }
        </div>
      </td>
--- a/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.ts
+++ b/frontend/src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.ts
@@ -1,4 +1,4 @@
-import { Component, ChangeDetectionStrategy, Input, Output, OnChanges, SimpleChanges, EventEmitter, ChangeDetectorRef } from '@angular/core';
+import { Component, ChangeDetectionStrategy, Input, Output, OnChanges, SimpleChanges, EventEmitter } from '@angular/core';
 import { Transaction } from '../../../interfaces/electrs.interface';
 import { Acceleration, SinglePoolStats } from '../../../interfaces/node-api.interface';
 import { EChartsOption, PieSeriesOption } from '../../../graphs/echarts';
@@ -23,8 +23,7 @@ function toRGB({r,g,b}): string {
  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ActiveAccelerationBox implements OnChanges {
-  @Input() acceleratedBy?: number[];
-  @Input() effectiveFeeRate?: number;
+  @Input() tx: Transaction;
  @Input() accelerationInfo: Acceleration;
  @Input() miningStats: MiningStats;
  @Input() pools: number[];
@@ -42,12 +41,10 @@ export class ActiveAccelerationBox implements OnChanges {
  timespan = '';
  chartInstance: any = undefined;

-  constructor(
-    private cd: ChangeDetectorRef,
-  ) {}
+  constructor() {}

  ngOnChanges(changes: SimpleChanges): void {
-    const pools = this.pools || this.accelerationInfo?.pools || this.acceleratedBy;
+    const pools = this.pools || this.accelerationInfo?.pools || this.tx.acceleratedBy;
    if (pools && this.miningStats) {
      this.prepareChartOptions(pools);
    }
@@ -70,17 +67,13 @@ export class ActiveAccelerationBox implements OnChanges {

    const acceleratingPools = (poolList || []).filter(id => pools[id]).sort((a,b) => pools[a].lastEstimatedHashrate - pools[b].lastEstimatedHashrate);
    const totalAcceleratedHashrate = acceleratingPools.reduce((total, pool) => total + pools[pool].lastEstimatedHashrate, 0);
-    // Find the first pool with at least 1% of the total network hashrate
-    const firstSignificantPool = acceleratingPools.findIndex(pool => pools[pool].lastEstimatedHashrate > this.miningStats.lastEstimatedHashrate / 100);
-    const numSignificantPools = acceleratingPools.length - firstSignificantPool;
+    const lightenStep = acceleratingPools.length ? (0.48 / acceleratingPools.length) : 0;
    acceleratingPools.forEach((poolId, index) => {
      const pool = pools[poolId];
      const poolShare = ((pool.lastEstimatedHashrate / this.miningStats.lastEstimatedHashrate) * 100).toFixed(1);
      data.push(getDataItem(
        pool.lastEstimatedHashrate,
-        index >= firstSignificantPool
-          ? toRGB(lighten({ r: 147, g: 57, b: 244 }, 1 - (index - firstSignificantPool) / (numSignificantPools - 1)))
-          : 'white',
+        toRGB(lighten({ r: 147, g: 57, b: 244 }, index * lightenStep)),
        `<b style="color: white">${pool.name} (${poolShare}%)</b>`,
        true,
      ) as PieSeriesOption);
@@ -135,7 +128,6 @@ export class ActiveAccelerationBox implements OnChanges {
        }
      ]
    };
-    this.cd.markForCheck();
  }

  onChartInit(ec) {
--- a/frontend/src/app/components/address-labels/address-labels.component.ts
+++ b/frontend/src/app/components/address-labels/address-labels.component.ts
@@ -55,7 +55,7 @@ export class AddressLabelsComponent implements OnChanges {
  }

  handleVin() {
-    const address = new AddressTypeInfo(this.network || 'mainnet', this.vin.prevout?.scriptpubkey_address, this.vin.prevout?.scriptpubkey_type as AddressType, [this.vin]);
+    const address = new AddressTypeInfo(this.network || 'mainnet', this.vin.prevout?.scriptpubkey_address, this.vin.prevout?.scriptpubkey_type as AddressType, [this.vin])
    if (address?.scripts.size) {
      const script = address?.scripts.values().next().value;
      if (script.template?.label) {
--- a/frontend/src/app/components/address/address.component.html
+++ b/frontend/src/app/components/address/address.component.html
@@ -94,20 +94,6 @@
      </div>
    </ng-container>

-    <ng-container *ngIf="(stateService.backend$ | async) === 'esplora' && address && utxos && utxos.length > 2">
-      <br>
-      <div class="title-tx">
-        <h2 class="text-left" i18n="address.unspent-outputs">Unspent Outputs</h2>
-      </div>
-      <div class="box">
-        <div class="row">
-          <div class="col-md">
-            <app-utxo-graph [utxos]="utxos" left="80" />
-          </div>
-        </div>
-      </div>
-    </ng-container>
-
    <br>
    <div class="title-tx">
      <h2 class="text-left">
--- a/frontend/src/app/components/address/address.component.ts
+++ b/frontend/src/app/components/address/address.component.ts
@@ -2,12 +2,12 @@ import { Component, OnInit, OnDestroy, HostListener } from '@angular/core';
 import { ActivatedRoute, ParamMap } from '@angular/router';
 import { ElectrsApiService } from '../../services/electrs-api.service';
 import { switchMap, filter, catchError, map, tap } from 'rxjs/operators';
-import { Address, ChainStats, Transaction, Utxo, Vin } from '../../interfaces/electrs.interface';
+import { Address, ChainStats, Transaction, Vin } from '../../interfaces/electrs.interface';
 import { WebsocketService } from '../../services/websocket.service';
 import { StateService } from '../../services/state.service';
 import { AudioService } from '../../services/audio.service';
 import { ApiService } from '../../services/api.service';
-import { of, merge, Subscription, Observable, forkJoin } from 'rxjs';
+import { of, merge, Subscription, Observable } from 'rxjs';
 import { SeoService } from '../../services/seo.service';
 import { seoDescriptionNetwork } from '../../shared/common.utils';
 import { AddressInformation } from '../../interfaces/node-api.interface';
@@ -104,7 +104,6 @@ export class AddressComponent implements OnInit, OnDestroy {
  addressString: string;
  isLoadingAddress = true;
  transactions: Transaction[];
-  utxos: Utxo[];
  isLoadingTransactions = true;
  retryLoadMore = false;
  error: any;
@@ -160,7 +159,6 @@ export class AddressComponent implements OnInit, OnDestroy {
          this.address = null;
          this.isLoadingTransactions = true;
          this.transactions = null;
-          this.utxos = null;
          this.addressInfo = null;
          this.exampleChannel = null;
          document.body.scrollTo(0, 0);
@@ -214,23 +212,11 @@ export class AddressComponent implements OnInit, OnDestroy {
          this.updateChainStats();
          this.isLoadingAddress = false;
          this.isLoadingTransactions = true;
-          const utxoCount = this.chainStats.utxos + this.mempoolStats.utxos;
-          return forkJoin([
-            address.is_pubkey
+          return address.is_pubkey
              ? this.electrsApiService.getScriptHashTransactions$((address.address.length === 66 ? '21' : '41') + address.address + 'ac')
-              : this.electrsApiService.getAddressTransactions$(address.address),
-            (utxoCount > 2 && utxoCount <= 500 ? (address.is_pubkey
-              ? this.electrsApiService.getScriptHashUtxos$((address.address.length === 66 ? '21' : '41') + address.address + 'ac')
-              : this.electrsApiService.getAddressUtxos$(address.address)) : of(null)).pipe(
-                catchError(() => {
-                  return of(null);
-                })
-              )
-          ]);
+              : this.electrsApiService.getAddressTransactions$(address.address);
        }),
-        switchMap(([transactions, utxos]) => {
-          this.utxos = utxos;
-
+        switchMap((transactions) => {
          this.tempTransactions = transactions;
          if (transactions.length) {
            this.lastTransactionTxId = transactions[transactions.length - 1].txid;
@@ -323,7 +309,6 @@ export class AddressComponent implements OnInit, OnDestroy {
          this.transactions = this.transactions.slice();
          this.mempoolStats.removeTx(transaction);
          this.audioService.playSound('magic');
-          this.confirmTransaction(tx);
        } else {
          if (this.addTransaction(transaction, false)) {
            this.audioService.playSound('magic');
@@ -349,31 +334,6 @@ export class AddressComponent implements OnInit, OnDestroy {
      }
    }

-    // update utxos in-place
-    if (this.utxos != null) {
-      let utxosChanged = false;
-      for (const vin of transaction.vin) {
-        const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === vin.txid && utxo.vout === vin.vout);
-        if (utxoIndex !== -1) {
-          this.utxos.splice(utxoIndex, 1);
-          utxosChanged = true;
-        }
-      }
-      for (const [index, vout] of transaction.vout.entries()) {
-        if (vout.scriptpubkey_address === this.address.address) {
-          this.utxos.push({
-            txid: transaction.txid,
-            vout: index,
-            value: vout.value,
-            status: JSON.parse(JSON.stringify(transaction.status)),
-          });
-          utxosChanged = true;
-        }
-      }
-      if (utxosChanged) {
-        this.utxos = this.utxos.slice();
-      }
-    }
    return true;
  }

@@ -386,65 +346,9 @@ export class AddressComponent implements OnInit, OnDestroy {
    this.transactions.splice(index, 1);
    this.transactions = this.transactions.slice();

-    // update utxos in-place
-    if (this.utxos != null) {
-      let utxosChanged = false;
-      for (const vin of transaction.vin) {
-        if (vin.prevout?.scriptpubkey_address === this.address.address) {
-          this.utxos.push({
-            txid: vin.txid,
-            vout: vin.vout,
-            value: vin.prevout.value,
-            status: { confirmed: true }, // Assuming the input was confirmed
-          });
-          utxosChanged = true;
-        }
-      }
-      for (const [index, vout] of transaction.vout.entries()) {
-        if (vout.scriptpubkey_address === this.address.address) {
-          const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === transaction.txid && utxo.vout === index);
-          if (utxoIndex !== -1) {
-            this.utxos.splice(utxoIndex, 1);
-            utxosChanged = true;
-          }
-        }
-      }
-      if (utxosChanged) {
-        this.utxos = this.utxos.slice();
-      }
-    }
-
    return true;
  }

-  confirmTransaction(transaction: Transaction): void {
-    // update utxos in-place
-    if (this.utxos != null) {
-      let utxosChanged = false;
-      for (const vin of transaction.vin) {
-        if (vin.prevout?.scriptpubkey_address === this.address.address) {
-          const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === vin.txid && utxo.vout === vin.vout);
-          if (utxoIndex !== -1) {
-            this.utxos[utxoIndex].status = JSON.parse(JSON.stringify(transaction.status));
-            utxosChanged = true;
-          }
-        }
-      }
-      for (const [index, vout] of transaction.vout.entries()) {
-        if (vout.scriptpubkey_address === this.address.address) {
-          const utxoIndex = this.utxos.findIndex((utxo) => utxo.txid === transaction.txid && utxo.vout === index);
-          if (utxoIndex !== -1) {
-            this.utxos[utxoIndex].status = JSON.parse(JSON.stringify(transaction.status));
-            utxosChanged = true;
-          }
-        }
-      }
-      if (utxosChanged) {
-        this.utxos = this.utxos.slice();
-      }
-    }
-  }
-
  loadMore(): void {
    if (this.isLoadingTransactions || this.fullyLoaded) {
      return;
--- a/frontend/src/app/components/amount-selector/amount-selector.component.html
+++ b/frontend/src/app/components/amount-selector/amount-selector.component.html
@@ -1,7 +0,0 @@
-<div [formGroup]="amountForm" class="text-small text-center">
-    <select formControlName="mode" class="custom-select custom-select-sm form-control-secondary form-control mx-auto" style="width: 70px;" (change)="changeMode()">
-        <option value="btc" i18n="shared.btc|BTC">BTC</option>
-        <option value="sats" i18n="shared.sats">sats</option>
-        <option value="fiat" i18n="shared.fiat|Fiat">Fiat</option>
-    </select>
-</div>
--- a/frontend/src/app/components/amount-selector/amount-selector.component.scss
+++ b/frontend/src/app/components/amount-selector/amount-selector.component.scss
--- a/frontend/src/app/components/amount-selector/amount-selector.component.ts
+++ b/frontend/src/app/components/amount-selector/amount-selector.component.ts
@@ -1,36 +0,0 @@
-import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
-import { UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
-import { StorageService } from '../../services/storage.service';
-import { StateService } from '../../services/state.service';
-
-@Component({
-  selector: 'app-amount-selector',
-  templateUrl: './amount-selector.component.html',
-  styleUrls: ['./amount-selector.component.scss'],
-  changeDetection: ChangeDetectionStrategy.OnPush
-})
-export class AmountSelectorComponent implements OnInit {
-  amountForm: UntypedFormGroup;
-  modes = ['btc', 'sats', 'fiat'];
-
-  constructor(
-    private formBuilder: UntypedFormBuilder,
-    private stateService: StateService,
-    private storageService: StorageService,
-  ) { }
-
-  ngOnInit() {
-    this.amountForm = this.formBuilder.group({
-      mode: ['btc']
-    });
-    this.stateService.viewAmountMode$.subscribe((mode) => {
-      this.amountForm.get('mode')?.setValue(mode);
-    });
-  }
-
-  changeMode() {
-    const newMode = this.amountForm.get('mode')?.value;
-    this.storageService.setValue('view-amount-mode', newMode);
-    this.stateService.viewAmountMode$.next(newMode);
-  }
-}
--- a/frontend/src/app/components/amount/amount.component.html
+++ b/frontend/src/app/components/amount/amount.component.html
@@ -30,7 +30,7 @@
      @if (digitsInfo === '1.8-8') {
        &lrm;{{ addPlus && satoshis >= 0 ? '+' : '' }}{{ satoshis | number }}
      } @else { 
-        &lrm;{{ addPlus && satoshis >= 0 ? '+' : '' }}{{ satoshis | amountShortener : (satoshis < 1000 && satoshis > -1000 ? 0 : 1) : undefined : true }}
+        &lrm;{{ addPlus && satoshis >= 0 ? '+' : '' }}{{ satoshis | amountShortener : satoshis < 1000 && satoshis > -1000 ? 0 : 1 }}
      }
      <span class="symbol">
        <ng-container *ngTemplateOutlet="prefix"></ng-container>sats
--- a/frontend/src/app/components/block-overview-graph/block-overview-graph.component.ts
+++ b/frontend/src/app/components/block-overview-graph/block-overview-graph.component.ts
@@ -198,7 +198,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
  }

  // initialize the scene without any entry transition
-  setup(transactions: TransactionStripped[], sort: boolean = false): void {
+  setup(transactions: TransactionStripped[]): void {
    const filtersAvailable = transactions.reduce((flagSet, tx) => flagSet || tx.flags > 0, false);
    if (filtersAvailable !== this.filtersAvailable) {
      this.setFilterFlags();
@@ -206,7 +206,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
    this.filtersAvailable = filtersAvailable;
    if (this.scene) {
      this.clearUpdateQueue();
-      this.scene.setup(transactions, sort);
+      this.scene.setup(transactions);
      this.readyNextFrame = true;
      this.start();
      this.updateSearchHighlight();
@@ -553,7 +553,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
        x: cssX,
        y: cssY
      };
-      const selected = this.scene.getTxAt({ x, y: this.displayHeight - y });
+      const selected = this.scene.getTxAt({ x, y });
      const currentPreview = this.selectedTx || this.hoverTx;

      if (selected !== currentPreview) {
@@ -627,7 +627,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
    if (this.scene) {
      const x = cssX * window.devicePixelRatio;
      const y = cssY * window.devicePixelRatio;
-      const selected = this.scene.getTxAt({ x, y: this.displayHeight - y });
+      const selected = this.scene.getTxAt({ x, y });
      if (selected && selected.txid) {
        this.txClickEvent.emit({ tx: selected, keyModifier });
      }
@@ -681,9 +681,10 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On

 // WebGL shader attributes
 const attribs = {
-  bounds: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
+  offset: { type: 'FLOAT', count: 2, pointer: null, offset: 0 },
  posX: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
  posY: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
+  posR: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
  colR: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
  colG: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
  colB: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
@@ -706,9 +707,10 @@ varying lowp vec4 vColor;
 // each attribute contains [x: startValue, y: endValue, z: startTime, w: rate]
 // shader interpolates between start and end values at the given rate, from the given time

-attribute vec4 bounds;
+attribute vec2 offset;
 attribute vec4 posX;
 attribute vec4 posY;
+attribute vec4 posR;
 attribute vec4 colR;
 attribute vec4 colG;
 attribute vec4 colB;
@@ -733,7 +735,10 @@ float interpolateAttribute(vec4 attr) {
 void main() {
  vec4 screenTransform = vec4(2.0 / screenSize.x, 2.0 / screenSize.y, -1.0, -1.0);
  // vec4 screenTransform = vec4(1.0 / screenSize.x, 1.0 / screenSize.y, -0.5, -0.5);
-  vec2 position = clamp(vec2(interpolateAttribute(posX), interpolateAttribute(posY)), bounds.xy, bounds.zw);
+
+  float radius = interpolateAttribute(posR);
+  vec2 position = vec2(interpolateAttribute(posX), interpolateAttribute(posY)) + (radius * offset);
+
  gl_Position = vec4(position * screenTransform.xy + screenTransform.zw, 1.0, 1.0);

  float red = interpolateAttribute(colR);
--- a/frontend/src/app/components/block-overview-graph/block-scene.ts
+++ b/frontend/src/app/components/block-overview-graph/block-scene.ts
@@ -18,8 +18,6 @@ export default class BlockScene {
  animationOffset: number;
  highlightingEnabled: boolean;
  filterFlags: bigint | null = 0b00000100_00000000_00000000_00000000n;
-  x: number;
-  y: number;
  width: number;
  height: number;
  gridWidth: number;
@@ -33,16 +31,14 @@ export default class BlockScene {
  animateUntil = 0;
  dirty: boolean;

-  constructor({ x = 0, y = 0, width, height, resolution, blockLimit, animationDuration, animationOffset, orientation, flip, vertexArray, theme, highlighting, colorFunction }:
-      { x?: number, y?: number, width: number, height: number, resolution: number, blockLimit: number, animationDuration: number, animationOffset: number,
+  constructor({ width, height, resolution, blockLimit, animationDuration, animationOffset, orientation, flip, vertexArray, theme, highlighting, colorFunction }:
+      { width: number, height: number, resolution: number, blockLimit: number, animationDuration: number, animationOffset: number,
        orientation: string, flip: boolean, vertexArray: FastVertexArray, theme: ThemeService, highlighting: boolean, colorFunction: ((tx: TxView) => Color) | null }
  ) {
-    this.init({ x, y,width, height, resolution, blockLimit, animationDuration, animationOffset, orientation, flip, vertexArray, theme, highlighting, colorFunction });
+    this.init({ width, height, resolution, blockLimit, animationDuration, animationOffset, orientation, flip, vertexArray, theme, highlighting, colorFunction });
  }

-  resize({ x = 0, y = 0, width = this.width, height = this.height, animate = true }: { x?: number, y?: number, width?: number, height?: number, animate: boolean }): void {
-    this.x = x;
-    this.y = y;
+  resize({ width = this.width, height = this.height, animate = true }: { width?: number, height?: number, animate: boolean }): void {
    this.width = width;
    this.height = height;
    this.gridSize = this.width / this.gridWidth;
@@ -92,19 +88,16 @@ export default class BlockScene {
  }

  // set up the scene with an initial set of transactions, without any transition animation
-  setup(txs: TransactionStripped[], sort: boolean = false) {
+  setup(txs: TransactionStripped[]) {
    // clean up any old transactions
    Object.values(this.txs).forEach(tx => {
      tx.destroy();
      delete this.txs[tx.txid];
    });
    this.layout = new BlockLayout({ width: this.gridWidth, height: this.gridHeight });
-    let txViews = txs.map(tx => new TxView(tx, this));
-    if (sort) {
-      txViews = txViews.sort(feeRateDescending);
-    }
-    txViews.forEach(txView => {
-      this.txs[txView.txid] = txView;
+    txs.forEach(tx => {
+      const txView = new TxView(tx, this);
+      this.txs[tx.txid] = txView;
      this.place(txView);
      this.saveGridToScreenPosition(txView);
      this.applyTxUpdate(txView, {
@@ -228,11 +221,7 @@ export default class BlockScene {
  getTxAt(position: Position): TxView | void {
    if (this.layout) {
      const gridPosition = this.screenToGrid(position);
-      if (gridPosition.x >= 0 && gridPosition.x < this.gridWidth && gridPosition.y >= 0 && gridPosition.y < this.gridHeight) {
-        return this.layout.getTx(gridPosition);
-      } else {
-        return null;
-      }
+      return this.layout.getTx(gridPosition);
    } else {
      return null;
    }
@@ -246,8 +235,8 @@ export default class BlockScene {
    this.animateUntil = Math.max(this.animateUntil, tx.setHighlight(value));
  }

-  private init({ x, y, width, height, resolution, blockLimit, animationDuration, animationOffset, orientation, flip, vertexArray, theme, highlighting, colorFunction }:
-      { x: number, y: number, width: number, height: number, resolution: number, blockLimit: number, animationDuration: number, animationOffset: number,
+  private init({ width, height, resolution, blockLimit, animationDuration, animationOffset, orientation, flip, vertexArray, theme, highlighting, colorFunction }:
+      { width: number, height: number, resolution: number, blockLimit: number, animationDuration: number, animationOffset: number,
        orientation: string, flip: boolean, vertexArray: FastVertexArray, theme: ThemeService, highlighting: boolean, colorFunction: ((tx: TxView) => Color) | null }
  ): void {
    this.animationDuration = animationDuration || this.animationDuration || 1000;
@@ -272,7 +261,7 @@ export default class BlockScene {
    this.vbytesPerUnit = blockLimit / Math.pow(resolution / 1.02, 2);
    this.gridWidth = resolution;
    this.gridHeight = resolution;
-    this.resize({ x, y, width, height, animate: true });
+    this.resize({ width, height, animate: true });
    this.layout = new BlockLayout({ width: this.gridWidth, height: this.gridHeight });

    this.txs = {};
@@ -282,7 +271,7 @@ export default class BlockScene {
  }

  private applyTxUpdate(tx: TxView, update: ViewUpdateParams): void {
-    this.animateUntil = Math.max(this.animateUntil, tx.update(update, { minX: this.x, maxX: this.x + this.width, minY: this.y, maxY: this.y + this.height }));
+    this.animateUntil = Math.max(this.animateUntil, tx.update(update));
  }

  private updateTxColor(tx: TxView, startTime: number, delay: number, animate: boolean = true, duration?: number): void {
@@ -398,7 +387,6 @@ export default class BlockScene {
          position: {
            x: tx.screenPosition.x + (direction === 'right' ? this.width + this.animationOffset : (direction === 'left' ? -this.width - this.animationOffset : 0)),
            y: tx.screenPosition.y + (direction === 'up' ? this.height + this.animationOffset : (direction === 'down' ? -this.height - this.animationOffset : 0)),
-            s: tx.screenPosition.s
          }
        },
        duration: this.animationDuration,
@@ -458,18 +446,18 @@ export default class BlockScene {
          break;
      }
      return {
-        x: this.x + x + this.unitPadding - (slotSize / 2),
-        y: this.y + y + this.unitPadding - (slotSize / 2),
+        x: x + this.unitPadding - (slotSize / 2),
+        y: y + this.unitPadding - (slotSize / 2),
        s: squareSize
      };
    } else {
-      return { x: this.x, y: this.y, s: 0 };
+      return { x: 0, y: 0, s: 0 };
    }
  }

  private screenToGrid(position: Position): Position {
-    let x = position.x - this.x;
-    let y = position.y - this.y;
+    let x = position.x;
+    let y = this.height - position.y;
    let t;

    switch (this.orientation) {
--- a/frontend/src/app/components/block-overview-graph/tx-sprite.ts
+++ b/frontend/src/app/components/block-overview-graph/tx-sprite.ts
@@ -2,13 +2,12 @@ import { FastVertexArray } from './fast-vertex-array';
 import { InterpolatedAttribute, Attributes, OptionalAttributes, SpriteUpdateParams, Update } from './sprite-types';

 const attribKeys = ['a', 'b', 't', 'v'];
-const updateKeys = ['x', 'y', 'r', 'g', 'b', 'a'];
-const attributeKeys = ['x', 'y', 's', 'r', 'g', 'b', 'a'];
+const updateKeys = ['x', 'y', 's', 'r', 'g', 'b', 'a'];

 export default class TxSprite {
-  static vertexSize = 28;
+  static vertexSize = 30;
  static vertexCount = 6;
-  static dataSize: number = (28 * 6);
+  static dataSize: number = (30 * 6);

  vertexArray: FastVertexArray;
  vertexPointer: number;
@@ -17,26 +16,15 @@ export default class TxSprite {
  attributes: Attributes;
  tempAttributes: OptionalAttributes;

-  minX: number;
-  maxX: number;
-  minY: number;
-  maxY: number;

-
-  constructor(params: SpriteUpdateParams, vertexArray: FastVertexArray, minX: number, maxX: number, minY: number, maxY: number) {
+  constructor(params: SpriteUpdateParams, vertexArray: FastVertexArray) {
    const offsetTime = params.start;
    this.vertexArray = vertexArray;
-    this.vertexData = Array(TxSprite.dataSize).fill(0);
-
+    this.vertexData = Array(VI.length).fill(0);
    this.updateMap = {
      x: 0, y: 0, s: 0, r: 0, g: 0, b: 0, a: 0
    };

-    this.minX = minX;
-    this.maxX = maxX;
-    this.minY = minY;
-    this.maxY = maxY;
-
    this.attributes = {
      x: { a: params.x, b: params.x, t: offsetTime, v: 0, d: 0 },
      y: { a: params.y, b: params.y, t: offsetTime, v: 0, d: 0 },
@@ -89,24 +77,11 @@ export default class TxSprite {
      minDuration: minimum remaining transition duration when adjust = true
      temp: if true, this update is only temporary (can be reversed with 'resume')
  */
-  update(params: SpriteUpdateParams, minX?: number, maxX?: number, minY?: number, maxY?: number): void {
+  update(params: SpriteUpdateParams): void {
    const offsetTime = params.start || performance.now();
    const v = params.duration > 0 ? (1 / params.duration) : 0;

-    if (minX != null) {
-      this.minX = minX;
-    }
-    if (maxX != null) {
-      this.maxX = maxX;
-    }
-    if (minY != null) {
-      this.minY = minY;
-    }
-    if (maxY != null) {
-      this.maxY = maxY;
-    }
-
-    attributeKeys.forEach(key => {
+    updateKeys.forEach(key => {
      this.updateMap[key] = params[key];
    });

@@ -164,32 +139,18 @@ export default class TxSprite {
        ...this.tempAttributes
      };
    }
+    const size = attributes.s;

    // update vertex data in place
    // ugly, but avoids overhead of allocating large temporary arrays
-    const vertexStride = VI.length + 4;
+    const vertexStride = VI.length + 2;
    for (let vertex = 0; vertex < 6; vertex++) {
-      this.vertexData[vertex * vertexStride] = this.minX;
-      this.vertexData[(vertex * vertexStride) + 1] = this.minY;
-      this.vertexData[(vertex * vertexStride) + 2] = this.maxX;
-      this.vertexData[(vertex * vertexStride) + 3] = this.maxY;
-
-      // x
-      this.vertexData[(vertex * vertexStride) + 4] = attributes[VI[0].a][VI[0].f] + (vertexOffsetFactors[vertex][0] * attributes.s.a);
-      this.vertexData[(vertex * vertexStride) + 5] = attributes[VI[1].a][VI[1].f] + (vertexOffsetFactors[vertex][0] * attributes.s.b);
-      this.vertexData[(vertex * vertexStride) + 6] = attributes[VI[2].a][VI[2].f];
-      this.vertexData[(vertex * vertexStride) + 7] = attributes[VI[3].a][VI[3].f];
-
-      // y
-      this.vertexData[(vertex * vertexStride) + 8] = attributes[VI[4].a][VI[4].f] + (vertexOffsetFactors[vertex][1] * attributes.s.a);
-      this.vertexData[(vertex * vertexStride) + 9] = attributes[VI[5].a][VI[5].f] + (vertexOffsetFactors[vertex][1] * attributes.s.b);
-      this.vertexData[(vertex * vertexStride) + 10] = attributes[VI[6].a][VI[6].f];
-      this.vertexData[(vertex * vertexStride) + 11] = attributes[VI[7].a][VI[7].f];
-
-      for (let step = 8; step < VI.length; step++) {
+      this.vertexData[vertex * vertexStride] = vertexOffsetFactors[vertex][0];
+      this.vertexData[(vertex * vertexStride) + 1] = vertexOffsetFactors[vertex][1];
+      for (let step = 0; step < VI.length; step++) {
        // components of each field in the vertex array are defined by an entry in VI:
        // VI[i].a is the attribute, VI[i].f is the inner field, VI[i].offA and VI[i].offB are offset factors
-        this.vertexData[(vertex * vertexStride) + step + 4] = attributes[VI[step].a][VI[step].f];
+        this.vertexData[(vertex * vertexStride) + step + 2] = attributes[VI[step].a][VI[step].f];
      }
    }

--- a/frontend/src/app/components/block-overview-graph/tx-view.ts
+++ b/frontend/src/app/components/block-overview-graph/tx-view.ts
@@ -33,7 +33,7 @@ export default class TxView implements TransactionStripped {
  flags: number;
  bigintFlags?: bigint | null = 0b00000100_00000000_00000000_00000000n;
  time?: number;
-  status?: 'found' | 'missing' | 'sigop' | 'fresh' | 'freshcpfp' | 'added' | 'added_prioritized' | 'prioritized' | 'added_deprioritized' | 'deprioritized' | 'censored' | 'selected' | 'rbf' | 'accelerated';
+  status?: 'found' | 'missing' | 'sigop' | 'fresh' | 'freshcpfp' | 'added' | 'added_prioritized' | 'prioritized' | 'censored' | 'selected' | 'rbf' | 'accelerated';
  context?: 'projected' | 'actual';
  scene?: BlockScene;

@@ -106,7 +106,7 @@ export default class TxView implements TransactionStripped {

    returns minimum transition end time
  */
-  update(params: ViewUpdateParams, { minX, maxX, minY, maxY }: { minX: number, maxX: number, minY: number, maxY: number }): number {
+  update(params: ViewUpdateParams): number {
    if (params.jitter) {
      params.delay += (Math.random() * params.jitter);
    }
@@ -115,35 +115,21 @@ export default class TxView implements TransactionStripped {
      this.initialised = true;
      this.sprite = new TxSprite(
        toSpriteUpdate(params),
-        this.vertexArray,
-        minX,
-        maxX,
-        minY,
-        maxY
+        this.vertexArray
      );
      // apply any pending hover event
      if (this.hover) {
        params.duration = Math.max(params.duration, hoverTransitionTime);
-        this.sprite.update(
-          {
-            ...this.hoverColor,
-            duration: hoverTransitionTime,
-            adjust: false,
-            temp: true
-          },
-          minX,
-          maxX,
-          minY,
-          maxY
-        );
+        this.sprite.update({
+          ...this.hoverColor,
+          duration: hoverTransitionTime,
+          adjust: false,
+          temp: true
+        });
      }
    } else {
      this.sprite.update(
-        toSpriteUpdate(params),
-        minX,
-        maxX,
-        minY,
-        maxY
+        toSpriteUpdate(params)
      );
    }
    this.dirty = false;
--- a/frontend/src/app/components/block-overview-graph/utils.ts
+++ b/frontend/src/app/components/block-overview-graph/utils.ts
@@ -11,10 +11,6 @@ export function hexToColor(hex: string): Color {
  };
 }

-export function colorToHex(color: Color): string {
-  return [color.r, color.g, color.b].map(c => Math.round(c * 255).toString(16)).join('');
-}
-
 export function desaturate(color: Color, amount: number): Color {
  const gray = (color.r + color.g + color.b) / 6;
  return {
@@ -34,15 +30,6 @@ export function darken(color: Color, amount: number): Color {
  };
 }

-export function mix(color1: Color, color2: Color, amount: number): Color {
-  return {
-    r: color1.r * (1 - amount) + color2.r * amount,
-    g: color1.g * (1 - amount) + color2.g * amount,
-    b: color1.b * (1 - amount) + color2.b * amount,
-    a: color1.a * (1 - amount) + color2.a * amount,
-  };
-}
-
 export function setOpacity(color: Color, opacity: number): Color {
  return {
    ...color,
@@ -155,10 +142,6 @@ export function defaultColorFunction(
      return auditColors.added_prioritized;
    case 'prioritized':
      return auditColors.prioritized;
-    case 'added_deprioritized':
-      return auditColors.added_prioritized;
-    case 'deprioritized':
-      return auditColors.prioritized;
    case 'selected':
      return colors.marginal[levelIndex] || colors.marginal[defaultMempoolFeeColors.length - 1];
    case 'accelerated':
--- a/frontend/src/app/components/block-overview-multi/block-overview-multi.component.html
+++ b/frontend/src/app/components/block-overview-multi/block-overview-multi.component.html
@@ -1,24 +0,0 @@
-
-<div class="block-overview-graph">
-  <canvas *browserOnly class="block-overview-canvas" [class.clickable]="!!hoverTx" #blockCanvas></canvas>
-  @if (!disableSpinner) {
-    <div class="loader-wrapper" [class.hidden]="!isLoading && !unavailable">
-      <div *ngIf="!unavailable" class="spinner-border ml-3 loading" role="status"></div>
-      <div *ngIf="!isLoading && unavailable" class="ml-3" i18n="block.not-available">not available</div>
-    </div>
-  }
-  <app-block-overview-tooltip
-    [tx]="selectedTx || hoverTx"
-    [cursorPosition]="tooltipPosition"
-    [clickable]="!!selectedTx"
-    [auditEnabled]="auditHighlighting"
-    [blockConversion]="blockConversion"
-    [filterFlags]="activeFilterFlags"
-    [filterMode]="filterMode"
-    [relativeTime]="relativeTime"
-  ></app-block-overview-tooltip>
-  <app-block-filters *ngIf="webGlEnabled && showFilters && filtersAvailable" [excludeFilters]="excludeFilters" [cssWidth]="cssWidth" (onFilterChanged)="setFilterFlags($event)"></app-block-filters>
-  <div *ngIf="!webGlEnabled" class="placeholder">
-    <span i18n="webgl-disabled">Your browser does not support this feature.</span>
-  </div>
-</div>
--- a/frontend/src/app/components/block-overview-multi/block-overview-multi.component.scss
+++ b/frontend/src/app/components/block-overview-multi/block-overview-multi.component.scss
@@ -1,67 +0,0 @@
-.block-overview-graph {
-  position: relative;
-  width: 100%;
-  height: 100%;
-  background: var(--stat-box-bg);
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  grid-column: 1/-1;
-
-  .placeholder {
-    display: flex;
-    position: absolute;
-    left: 0;
-    right: 0;
-    top: 0;
-    bottom: 0;
-    height: 100%;
-    width: 100%;
-    align-items: center;
-    justify-content: center;
-  }
-}
-
-.graph-alignment {
-  position: relative;
-  width: 100%;
-}
-
-.grid-align {
-  display: grid;
-  grid-template-columns: repeat(auto-fit, 75px);
-  justify-content: center;
-}
-
-.block-overview-canvas {
-  position: absolute;
-  left: 0;
-  right: 0;
-  top: 0;
-  bottom: 0;
-  width: 100%;
-  height: 100%;
-  overflow: hidden;
-
-  &.clickable {
-    cursor: pointer;
-  }
-}
-
-.loader-wrapper {
-  position: absolute;
-  background: #181b2d7f;
-  left: 0;
-  right: 0;
-  top: 0;
-  bottom: 0;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  transition: opacity 500ms 500ms;
-  pointer-events: none;
-
-  &.hidden {
-    opacity: 0;
-  }
-}
--- a/frontend/src/app/components/block-overview-multi/block-overview-multi.component.ts
+++ b/frontend/src/app/components/block-overview-multi/block-overview-multi.component.ts
@@ -1,803 +0,0 @@
-import { Component, ElementRef, ViewChild, HostListener, Input, Output, EventEmitter, NgZone, AfterViewInit, OnDestroy, OnChanges } from '@angular/core';
-import { TransactionStripped } from '../../interfaces/node-api.interface';
-import { FastVertexArray } from '../block-overview-graph/fast-vertex-array';
-import BlockScene from '../block-overview-graph/block-scene';
-import TxSprite from '../block-overview-graph/tx-sprite';
-import TxView from '../block-overview-graph/tx-view';
-import { Color, Position } from '../block-overview-graph/sprite-types';
-import { Price } from '../../services/price.service';
-import { StateService } from '../../services/state.service';
-import { ThemeService } from '../../services/theme.service';
-import { Subscription } from 'rxjs';
-import { defaultColorFunction, setOpacity, defaultAuditColors, defaultColors, ageColorFunction, contrastColorFunction, contrastAuditColors, contrastColors } from '../block-overview-graph/utils';
-import { ActiveFilter, FilterMode, toFlags } from '../../shared/filters.utils';
-import { detectWebGL } from '../../shared/graphs.utils';
-
-const unmatchedOpacity = 0.2;
-const unmatchedAuditColors = {
-  censored: setOpacity(defaultAuditColors.censored, unmatchedOpacity),
-  missing: setOpacity(defaultAuditColors.missing, unmatchedOpacity),
-  added: setOpacity(defaultAuditColors.added, unmatchedOpacity),
-  added_prioritized: setOpacity(defaultAuditColors.added_prioritized, unmatchedOpacity),
-  prioritized: setOpacity(defaultAuditColors.prioritized, unmatchedOpacity),
-  accelerated: setOpacity(defaultAuditColors.accelerated, unmatchedOpacity),
-};
-const unmatchedContrastAuditColors = {
-  censored: setOpacity(contrastAuditColors.censored, unmatchedOpacity),
-  missing: setOpacity(contrastAuditColors.missing, unmatchedOpacity),
-  added: setOpacity(contrastAuditColors.added, unmatchedOpacity),
-  added_prioritized: setOpacity(contrastAuditColors.added_prioritized, unmatchedOpacity),
-  prioritized: setOpacity(contrastAuditColors.prioritized, unmatchedOpacity),
-  accelerated: setOpacity(contrastAuditColors.accelerated, unmatchedOpacity),
-};
-
-@Component({
-  selector: 'app-block-overview-multi',
-  templateUrl: './block-overview-multi.component.html',
-  styleUrls: ['./block-overview-multi.component.scss'],
-})
-export class BlockOverviewMultiComponent implements AfterViewInit, OnDestroy, OnChanges {
-  @Input() isLoading: boolean;
-  @Input() resolution: number;
-  @Input() numBlocks: number;
-  @Input() padding: number = 0;
-  @Input() blockWidth: number = 360;
-  @Input() autofit: boolean = false;
-  @Input() blockLimit: number;
-  @Input() orientation = 'left';
-  @Input() flip = true;
-  @Input() animationDuration: number = 1000;
-  @Input() animationOffset: number | null = null;
-  @Input() disableSpinner = false;
-  @Input() mirrorTxid: string | void;
-  @Input() unavailable: boolean = false;
-  @Input() auditHighlighting: boolean = false;
-  @Input() showFilters: boolean = false;
-  @Input() excludeFilters: string[] = [];
-  @Input() filterFlags: bigint | null = null;
-  @Input() filterMode: FilterMode = 'and';
-  @Input() gradientMode: 'fee' | 'age' = 'fee';
-  @Input() relativeTime: number | null;
-  @Input() blockConversion: Price;
-  @Input() overrideColors: ((tx: TxView) => Color) | null = null;
-  @Output() txClickEvent = new EventEmitter<{ tx: TransactionStripped, keyModifier: boolean}>();
-  @Output() txHoverEvent = new EventEmitter<string>();
-  @Output() readyEvent = new EventEmitter();
-
-  @ViewChild('blockCanvas')
-  canvas: ElementRef<HTMLCanvasElement>;
-  themeChangedSubscription: Subscription;
-
-  gl: WebGLRenderingContext;
-  animationFrameRequest: number;
-  animationHeartBeat: number;
-  displayWidth: number;
-  displayHeight: number;
-  displayBlockWidth: number;
-  displayPadding: number;
-  cssWidth: number;
-  cssHeight: number;
-  shaderProgram: WebGLProgram;
-  vertexArray: FastVertexArray;
-  running: boolean;
-  scenes: BlockScene[] = [];
-  hoverTx: TxView | void;
-  selectedTx: TxView | void;
-  highlightTx: TxView | void;
-  mirrorTx: TxView | void;
-  tooltipPosition: Position;
-
-  readyNextFrame = false;
-  lastUpdate: number = 0;
-  pendingUpdates: {
-    count: number,
-    add: { [txid: string]: TransactionStripped },
-    remove: { [txid: string]: string },
-    change: { [txid: string]: { txid: string, rate: number | undefined, acc: boolean | undefined } },
-    direction?: string,
-  }[] = [];
-
-  searchText: string;
-  searchSubscription: Subscription;
-  filtersAvailable: boolean = true;
-  activeFilterFlags: bigint | null = null;
-
-  webGlEnabled = true;
-
-  constructor(
-    readonly ngZone: NgZone,
-    readonly elRef: ElementRef,
-    public stateService: StateService,
-    private themeService: ThemeService,
-  ) {
-    this.webGlEnabled = this.stateService.isBrowser && detectWebGL();
-    this.vertexArray = new FastVertexArray(512, TxSprite.dataSize);
-  }
-
-  ngAfterViewInit(): void {
-    if (this.canvas) {
-      this.canvas.nativeElement.addEventListener('webglcontextlost', this.handleContextLost, false);
-      this.canvas.nativeElement.addEventListener('webglcontextrestored', this.handleContextRestored, false);
-      this.gl = this.canvas.nativeElement.getContext('webgl');
-      this.initScenes();
-
-      if (this.gl) {
-        this.initCanvas();
-        this.resizeCanvas();
-        this.themeChangedSubscription = this.themeService.themeChanged$.subscribe(() => {
-          for (const scene of this.scenes) {
-            scene.setColorFunction(this.getColorFunction());
-          }
-        });
-      }
-    }
-  }
-
-  initScenes(): void {
-    for (const scene of this.scenes) {
-      if (scene) {
-        scene.destroy();
-      }
-    }
-    this.scenes = [];
-    this.pendingUpdates = [];
-    for (let i = 0; i < this.numBlocks; i++) {
-      this.scenes.push(null);
-      this.pendingUpdates.push({
-        count: 0,
-        add: {},
-        remove: {},
-        change: {},
-        direction: 'left',
-      });
-    }
-    this.resizeCanvas();
-    this.start();
-  }
-
-  ngOnChanges(changes): void {
-    if (changes.numBlocks) {
-      this.initScenes();
-    }
-    if (changes.orientation || changes.flip) {
-      for (const scene of this.scenes) {
-        scene?.setOrientation(this.orientation, this.flip);
-      }
-    }
-    if (changes.auditHighlighting) {
-      this.setHighlightingEnabled(this.auditHighlighting);
-    }
-    if (changes.overrideColor) {
-      for (const scene of this.scenes) {
-        scene?.setColorFunction(this.getFilterColorFunction(0n, this.gradientMode));
-      }
-    }
-    if ((changes.filterFlags || changes.showFilters || changes.filterMode || changes.gradientMode)) {
-      this.setFilterFlags();
-    }
-  }
-
-  setFilterFlags(goggle?: ActiveFilter): void {
-    this.filterMode = goggle?.mode || this.filterMode;
-    this.gradientMode = goggle?.gradient || 'fee'; // this.gradientMode;
-    this.activeFilterFlags = goggle?.filters ? toFlags(goggle.filters) : this.filterFlags;
-    for (const scene of this.scenes) {
-      if (scene) {
-        if (this.activeFilterFlags != null && this.filtersAvailable) {
-          scene.setColorFunction(this.getFilterColorFunction(this.activeFilterFlags, this.gradientMode));
-        } else {
-          scene.setColorFunction(this.getFilterColorFunction(0n, this.gradientMode));
-        }
-      }
-    }
-    this.start();
-  }
-
-  ngOnDestroy(): void {
-    if (this.animationFrameRequest) {
-      cancelAnimationFrame(this.animationFrameRequest);
-      clearTimeout(this.animationHeartBeat);
-    }
-    if (this.canvas) {
-      this.canvas.nativeElement.removeEventListener('webglcontextlost', this.handleContextLost);
-      this.canvas.nativeElement.removeEventListener('webglcontextrestored', this.handleContextRestored);
-      this.themeChangedSubscription?.unsubscribe();
-    }
-  }
-
-  clear(block: number, direction): void {
-    this.exit(block, direction);
-    this.start();
-  }
-
-  destroy(block: number): void {
-    if (this.scenes[block]) {
-      this.scenes[block].destroy();
-      this.clearUpdateQueue(block);
-      this.start();
-    }
-  }
-
-  // initialize the scene without any entry transition
-  setup(block: number, transactions: TransactionStripped[], sort: boolean = false): void {
-    const filtersAvailable = transactions.reduce((flagSet, tx) => flagSet || tx.flags > 0, false);
-    if (filtersAvailable !== this.filtersAvailable) {
-      this.setFilterFlags();
-    }
-    this.filtersAvailable = filtersAvailable;
-    if (this.scenes[block]) {
-      this.clearUpdateQueue(block);
-      this.scenes[block].setup(transactions, sort);
-      this.readyNextFrame = true;
-      this.start();
-    }
-  }
-
-  enter(block: number, transactions: TransactionStripped[], direction: string): void {
-    if (this.scenes[block]) {
-      this.clearUpdateQueue(block);
-      this.scenes[block].enter(transactions, direction);
-      this.start();
-    }
-  }
-
-  exit(block: number, direction: string): void {
-    if (this.scenes[block]) {
-      this.clearUpdateQueue(block);
-      this.scenes[block].exit(direction);
-      this.start();
-    }
-  }
-
-  replace(block: number, transactions: TransactionStripped[], direction: string, sort: boolean = true, startTime?: number): void {
-    if (this.scenes[block]) {
-      this.clearUpdateQueue(block);
-      this.scenes[block].replace(transactions || [], direction, sort, startTime);
-      this.start();
-    }
-  }
-
-  // collates deferred updates into a set of consistent pending changes
-  queueUpdate(block: number, add: TransactionStripped[], remove: string[], change: { txid: string, rate: number | undefined, acc: boolean | undefined }[], direction: string = 'left'): void {
-    for (const tx of add) {
-      this.pendingUpdates[block].add[tx.txid] = tx;
-      delete this.pendingUpdates[block].remove[tx.txid];
-      delete this.pendingUpdates[block].change[tx.txid];
-    }
-    for (const txid of remove) {
-      delete this.pendingUpdates[block].add[txid];
-      this.pendingUpdates[block].remove[txid] = txid;
-      delete this.pendingUpdates[block].change[txid];
-    }
-    for (const tx of change) {
-      if (this.pendingUpdates[block].add[tx.txid]) {
-        this.pendingUpdates[block].add[tx.txid].rate = tx.rate;
-        this.pendingUpdates[block].add[tx.txid].acc = tx.acc;
-      } else {
-        this.pendingUpdates[block].change[tx.txid] = tx;
-      }
-    }
-    this.pendingUpdates[block].direction = direction;
-    this.pendingUpdates[block].count++;
-  }
-
-  deferredUpdate(block: number, add: TransactionStripped[], remove: string[], change: { txid: string, rate: number | undefined, acc: boolean | undefined }[], direction: string = 'left'): void {
-    this.queueUpdate(block, add, remove, change, direction);
-    this.applyQueuedUpdates();
-  }
-
-  applyQueuedUpdates(): void {
-    for (const [index, pendingUpdate] of this.pendingUpdates.entries()) {
-      if (pendingUpdate.count && performance.now() > (this.lastUpdate + this.animationDuration)) {
-        this.applyUpdate(index, Object.values(pendingUpdate.add), Object.values(pendingUpdate.remove), Object.values(pendingUpdate.change), pendingUpdate.direction);
-        this.clearUpdateQueue(index);
-      }
-    }
-  }
-
-  clearUpdateQueue(block: number): void {
-    this.pendingUpdates[block] = {
-      count: 0,
-      add: {},
-      remove: {},
-      change: {},
-    };
-    this.lastUpdate = performance.now();
-  }
-
-  update(block: number, add: TransactionStripped[], remove: string[], change: { txid: string, rate: number | undefined, acc: boolean | undefined }[], direction: string = 'left', resetLayout: boolean = false): void {
-    // merge any pending changes into this update
-    this.queueUpdate(block, add, remove, change, direction);
-    this.applyUpdate(block,Object.values(this.pendingUpdates[block].add), Object.values(this.pendingUpdates[block].remove), Object.values(this.pendingUpdates[block].change), direction, resetLayout);
-    this.clearUpdateQueue(block);
-  }
-
-  applyUpdate(block: number, add: TransactionStripped[], remove: string[], change: { txid: string, rate: number | undefined, acc: boolean | undefined }[], direction: string = 'left', resetLayout: boolean = false): void {
-    if (this.scenes[block]) {
-      add = add.filter(tx => !this.scenes[block].txs[tx.txid]);
-      remove = remove.filter(txid => this.scenes[block].txs[txid]);
-      change = change.filter(tx => this.scenes[block].txs[tx.txid]);
-
-      if (this.gradientMode === 'age') {
-        this.scenes[block].updateAllColors();
-      }
-      this.scenes[block].update(add, remove, change, direction, resetLayout);
-      this.start();
-      this.lastUpdate = performance.now();
-    }
-  }
-
-  initCanvas(): void {
-    if (!this.canvas || !this.gl) {
-      return;
-    }
-
-    this.gl.clearColor(0.0, 0.0, 0.0, 0.0);
-    this.gl.clear(this.gl.COLOR_BUFFER_BIT);
-
-    const shaderSet = [
-      {
-        type: this.gl.VERTEX_SHADER,
-        src: vertShaderSrc
-      },
-      {
-        type: this.gl.FRAGMENT_SHADER,
-        src: fragShaderSrc
-      }
-    ];
-
-    this.shaderProgram = this.buildShaderProgram(shaderSet);
-
-    this.gl.useProgram(this.shaderProgram);
-
-    // Set up alpha blending
-    this.gl.enable(this.gl.BLEND);
-    this.gl.blendFunc(this.gl.ONE, this.gl.ONE_MINUS_SRC_ALPHA);
-
-    const glBuffer = this.gl.createBuffer();
-    this.gl.bindBuffer(this.gl.ARRAY_BUFFER, glBuffer);
-
-    /* SET UP SHADER ATTRIBUTES */
-    Object.keys(attribs).forEach((key, i) => {
-      attribs[key].pointer = this.gl.getAttribLocation(this.shaderProgram, key);
-      this.gl.enableVertexAttribArray(attribs[key].pointer);
-    });
-
-    this.start();
-  }
-
-  handleContextLost(event): void {
-    event.preventDefault();
-    cancelAnimationFrame(this.animationFrameRequest);
-    this.animationFrameRequest = null;
-    this.running = false;
-    this.gl = null;
-  }
-
-  handleContextRestored(event): void {
-    if (this.canvas?.nativeElement) {
-      this.gl = this.canvas.nativeElement.getContext('webgl');
-      if (this.gl) {
-        this.initCanvas();
-      }
-    }
-  }
-
-  @HostListener('window:resize', ['$event'])
-  resizeCanvas(): void {
-    if (this.canvas) {
-      this.cssWidth = this.canvas.nativeElement.offsetParent.clientWidth;
-      this.cssHeight = this.canvas.nativeElement.offsetParent.clientHeight;
-      this.displayWidth = window.devicePixelRatio * this.cssWidth;
-      this.displayHeight = window.devicePixelRatio * this.cssHeight;
-      this.displayBlockWidth = window.devicePixelRatio * this.blockWidth;
-      this.displayPadding = window.devicePixelRatio * this.padding;
-      this.canvas.nativeElement.width = this.displayWidth;
-      this.canvas.nativeElement.height = this.displayHeight;
-      if (this.gl) {
-        this.gl.viewport(0, 0, this.displayWidth, this.displayHeight);
-      }
-      for (let i = 0; i < this.scenes.length; i++) {
-        const blocksPerRow = Math.floor(this.displayWidth / (this.displayBlockWidth + (this.displayPadding * 2)));
-        const x = this.displayPadding + ((i % blocksPerRow) * (this.displayBlockWidth + (this.displayPadding * 2)));
-        const numRows = Math.ceil(this.scenes.length / blocksPerRow);
-        const row = numRows - Math.floor(i / blocksPerRow) - 1;
-        const y = this.displayPadding + this.displayHeight - ((row + 1) * (this.displayBlockWidth + (this.displayPadding * 2)));
-        if (this.scenes[i]) {
-          this.scenes[i].resize({ x, y, width: this.displayBlockWidth, height: this.displayBlockWidth, animate: false });
-          this.start();
-        } else {
-          this.scenes[i] = new BlockScene({ x, y, width: this.displayBlockWidth, height: this.displayBlockWidth, resolution: this.resolution,
-            blockLimit: this.blockLimit, orientation: this.orientation, flip: this.flip, vertexArray: this.vertexArray, theme: this.themeService,
-            highlighting: this.auditHighlighting, animationDuration: this.animationDuration, animationOffset: this.animationOffset,
-          colorFunction: this.getColorFunction() });
-          this.start();
-        }
-      }
-    }
-  }
-
-  compileShader(src, type): WebGLShader {
-    if (!this.gl) {
-      return;
-    }
-    const shader = this.gl.createShader(type);
-
-    this.gl.shaderSource(shader, src);
-    this.gl.compileShader(shader);
-
-    if (!this.gl.getShaderParameter(shader, this.gl.COMPILE_STATUS)) {
-      console.log(`Error compiling ${type === this.gl.VERTEX_SHADER ? 'vertex' : 'fragment'} shader:`);
-      console.log(this.gl.getShaderInfoLog(shader));
-    }
-    return shader;
-  }
-
-  buildShaderProgram(shaderInfo): WebGLProgram {
-    if (!this.gl) {
-      return;
-    }
-    const program = this.gl.createProgram();
-
-    shaderInfo.forEach((desc) => {
-      const shader = this.compileShader(desc.src, desc.type);
-      if (shader) {
-        this.gl.attachShader(program, shader);
-      }
-    });
-
-    this.gl.linkProgram(program);
-
-    if (!this.gl.getProgramParameter(program, this.gl.LINK_STATUS)) {
-      console.log('Error linking shader program:');
-      console.log(this.gl.getProgramInfoLog(program));
-    }
-
-    return program;
-  }
-
-  start(): void {
-    this.running = true;
-    this.ngZone.runOutsideAngular(() => this.doRun());
-  }
-
-  doRun(): void {
-    if (this.animationFrameRequest) {
-      cancelAnimationFrame(this.animationFrameRequest);
-    }
-    this.animationFrameRequest = requestAnimationFrame(() => this.run());
-  }
-
-  run(now?: DOMHighResTimeStamp): void {
-    if (!now) {
-      now = performance.now();
-    }
-    this.applyQueuedUpdates();
-    // skip re-render if there's no change to the scene
-    if (this.scenes.length && this.gl) {
-      /* SET UP SHADER UNIFORMS */
-      // screen dimensions
-      this.gl.uniform2f(this.gl.getUniformLocation(this.shaderProgram, 'screenSize'), this.displayWidth, this.displayHeight);
-      // frame timestamp
-      this.gl.uniform1f(this.gl.getUniformLocation(this.shaderProgram, 'now'), now);
-
-      if (this.vertexArray.dirty) {
-        /* SET UP SHADER ATTRIBUTES */
-        Object.keys(attribs).forEach((key, i) => {
-          this.gl.vertexAttribPointer(attribs[key].pointer,
-          attribs[key].count,  // number of primitives in this attribute
-          this.gl[attribs[key].type],  // type of primitive in this attribute (e.g. gl.FLOAT)
-          false, // never normalised
-          stride,   // distance between values of the same attribute
-          attribs[key].offset);  // offset of the first value
-        });
-
-        const pointArray = this.vertexArray.getVertexData();
-
-        if (pointArray.length) {
-          this.gl.bufferData(this.gl.ARRAY_BUFFER, pointArray, this.gl.DYNAMIC_DRAW);
-          this.gl.drawArrays(this.gl.TRIANGLES, 0, pointArray.length / TxSprite.vertexSize);
-        }
-        this.vertexArray.dirty = false;
-      } else {
-        const pointArray = this.vertexArray.getVertexData();
-        if (pointArray.length) {
-          this.gl.drawArrays(this.gl.TRIANGLES, 0, pointArray.length / TxSprite.vertexSize);
-        }
-      }
-
-      if (this.readyNextFrame) {
-        this.readyNextFrame = false;
-        this.readyEvent.emit();
-      }
-    }
-
-    /* LOOP */
-    if (this.running && this.scenes.length && now <= (this.scenes.reduce((max, scene) => scene.animateUntil > max ? scene.animateUntil : max, 0) + 500)) {
-      this.doRun();
-    } else {
-      if (this.animationHeartBeat) {
-        clearTimeout(this.animationHeartBeat);
-      }
-      this.animationHeartBeat = window.setTimeout(() => {
-        this.start();
-      }, 1000);
-    }
-  }
-
-  @HostListener('document:click', ['$event'])
-  clickAway(event) {
-    if (!this.elRef.nativeElement.contains(event.target)) {
-      const currentPreview = this.selectedTx || this.hoverTx;
-      if (currentPreview) {
-        for (const scene of this.scenes) {
-          if (scene) {
-            scene.setHover(currentPreview, false);
-          }
-        }
-        this.start();
-      }
-      this.hoverTx = null;
-      this.selectedTx = null;
-      this.onTxHover(null);
-    }
-  }
-
-  @HostListener('pointerup', ['$event'])
-  onClick(event) {
-    if (!this.canvas) {
-      return;
-    }
-    if (event.target === this.canvas.nativeElement && event.pointerType === 'touch') {
-      this.setPreviewTx(event.offsetX, event.offsetY, true);
-    } else if (event.target === this.canvas.nativeElement) {
-      const keyMod = event.shiftKey || event.ctrlKey || event.metaKey;
-      const middleClick = event.which === 2 || event.button === 1;
-      this.onTxClick(event.offsetX, event.offsetY, keyMod || middleClick);
-    }
-  }
-
-  @HostListener('pointermove', ['$event'])
-  onPointerMove(event) {
-    if (!this.canvas) {
-      return;
-    }
-    if (event.target === this.canvas.nativeElement) {
-      this.setPreviewTx(event.offsetX, event.offsetY, false);
-    } else {
-      this.onPointerLeave(event);
-    }
-  }
-
-  @HostListener('pointerleave', ['$event'])
-  onPointerLeave(event) {
-    if (event.pointerType !== 'touch') {
-      this.setPreviewTx(-1, -1, true);
-    }
-  }
-
-  setPreviewTx(cssX: number, cssY: number, clicked: boolean = false) {
-    const x = cssX * window.devicePixelRatio;
-    const y = cssY * window.devicePixelRatio;
-    if (!this.selectedTx || clicked) {
-      this.tooltipPosition = {
-        x: cssX,
-        y: cssY
-      };
-      const currentPreview = this.selectedTx || this.hoverTx;
-      let selected;
-      for (const scene of this.scenes) {
-        if (scene) {
-          selected = scene.getTxAt({ x, y: this.displayHeight - y });
-          if (selected) {
-            break;
-          }
-        }
-      }
-
-      if (selected !== currentPreview) {
-        if (currentPreview) {
-          for (const scene of this.scenes) {
-            if (scene) {
-              scene.setHover(currentPreview, false);
-              break;
-            }
-          }
-          this.start();
-        }
-        if (selected) {
-          for (const scene of this.scenes) {
-            if (scene) {
-              scene.setHover(selected, true);
-              break;
-            }
-          }
-          this.start();
-          if (clicked) {
-            this.selectedTx = selected;
-          } else {
-            this.hoverTx = selected;
-            this.onTxHover(this.hoverTx ? this.hoverTx.txid : null);
-          }
-        } else {
-          if (clicked) {
-            this.selectedTx = null;
-          }
-          this.hoverTx = null;
-          this.onTxHover(null);
-        }
-      } else if (clicked) {
-        if (selected === this.selectedTx) {
-          this.hoverTx = this.selectedTx;
-          this.selectedTx = null;
-          this.onTxHover(this.hoverTx ? this.hoverTx.txid : null);
-        } else {
-          this.selectedTx = selected;
-        }
-      }
-    }
-  }
-
-  updateSearchHighlight(): void {
-    if (this.highlightTx && this.highlightTx.txid !== this.searchText) {
-      for (const scene of this.scenes) {
-        if (scene) {
-          scene.setHighlight(this.highlightTx, false);
-        }
-      }
-      this.start();
-    } else if (this.searchText && this.searchText.length === 64) {
-      for (const scene of this.scenes) {
-        if (scene) {
-          const highlightTx = scene.txs[this.searchText];
-          if (highlightTx) {
-            scene.setHighlight(highlightTx, true);
-            this.highlightTx = highlightTx;
-            this.start();
-          }
-        }
-      }
-    }
-  }
-
-  setHighlightingEnabled(enabled: boolean): void {
-    for (const scene of this.scenes) {
-      scene.setHighlighting(enabled);
-    }
-    this.start();
-  }
-
-  onTxClick(cssX: number, cssY: number, keyModifier: boolean = false) {
-    for (const scene of this.scenes) {
-      if (scene) {
-        const x = cssX * window.devicePixelRatio;
-        const y = cssY * window.devicePixelRatio;
-        const selected = scene.getTxAt({ x, y: this.displayHeight - y });
-        if (selected && selected.txid) {
-          this.txClickEvent.emit({ tx: selected, keyModifier });
-          return;
-        }
-      }
-    }
-  }
-
-  onTxHover(hoverId: string) {
-    this.txHoverEvent.emit(hoverId);
-  }
-
-  getColorFunction(): ((tx: TxView) => Color) {
-    if (this.overrideColors) {
-      return this.overrideColors;
-    } else if (this.filterFlags) {
-      return this.getFilterColorFunction(this.filterFlags, this.gradientMode);
-    } else if (this.activeFilterFlags) {
-      return this.getFilterColorFunction(this.activeFilterFlags, this.gradientMode);
-    } else {
-      return this.getFilterColorFunction(0n, this.gradientMode);
-    }
-  }
-
-  getFilterColorFunction(flags: bigint, gradient: 'fee' | 'age'): ((tx: TxView) => Color) {
-    return (tx: TxView) => {
-      if ((this.filterMode === 'and' && (tx.bigintFlags & flags) === flags) || (this.filterMode === 'or' && (flags === 0n || (tx.bigintFlags & flags) > 0n))) {
-        if (this.themeService.theme !== 'contrast' && this.themeService.theme !== 'bukele') {
-          return (gradient === 'age') ? ageColorFunction(tx, defaultColors.fee, defaultAuditColors, this.relativeTime || (Date.now() / 1000)) : defaultColorFunction(tx, defaultColors.fee, defaultAuditColors, this.relativeTime || (Date.now() / 1000));
-        } else {
-          return (gradient === 'age') ? ageColorFunction(tx, contrastColors.fee, contrastAuditColors, this.relativeTime || (Date.now() / 1000)) : contrastColorFunction(tx, contrastColors.fee, contrastAuditColors, this.relativeTime || (Date.now() / 1000));
-        }
-      } else {
-        if (this.themeService.theme !== 'contrast' && this.themeService.theme !== 'bukele') {
-          return (gradient === 'age') ? { r: 1, g: 1, b: 1, a: 0.05 } : defaultColorFunction(
-            tx,
-            defaultColors.unmatchedfee,
-            unmatchedAuditColors,
-            this.relativeTime || (Date.now() / 1000)
-          );
-        } else {
-          return (gradient === 'age') ? { r: 1, g: 1, b: 1, a: 0.05 } : contrastColorFunction(
-            tx,
-            contrastColors.unmatchedfee,
-            unmatchedContrastAuditColors,
-            this.relativeTime || (Date.now() / 1000)
-          );
-        }
-      }
-    };
-  }
-}
-
-// WebGL shader attributes
-const attribs = {
-  bounds: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
-  posX: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
-  posY: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
-  colR: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
-  colG: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
-  colB: { type: 'FLOAT', count: 4, pointer: null, offset: 0 },
-  colA: { type: 'FLOAT', count: 4, pointer: null, offset: 0 }
-};
-// Calculate the number of bytes per vertex based on specified attributes
-const stride = Object.values(attribs).reduce((total, attrib) => {
-  return total + (attrib.count * 4);
-}, 0);
-// Calculate vertex attribute offsets
-for (let i = 0, offset = 0; i < Object.keys(attribs).length; i++) {
-  const attrib = Object.values(attribs)[i];
-  attrib.offset = offset;
-  offset += (attrib.count * 4);
-}
-
-const vertShaderSrc = `
-varying lowp vec4 vColor;
-
-// each attribute contains [x: startValue, y: endValue, z: startTime, w: rate]
-// shader interpolates between start and end values at the given rate, from the given time
-
-attribute vec4 bounds;
-attribute vec4 posX;
-attribute vec4 posY;
-attribute vec4 colR;
-attribute vec4 colG;
-attribute vec4 colB;
-attribute vec4 colA;
-
-uniform vec2 screenSize;
-uniform float now;
-
-float smootherstep(float x) {
-  x = clamp(x, 0.0, 1.0);
-  float ix = 1.0 - x;
-  x = x * x;
-  return x / (x + ix * ix);
-}
-
-float interpolateAttribute(vec4 attr) {
-  float d = (now - attr.z) * attr.w;
-  float delta = smootherstep(d);
-  return mix(attr.x, attr.y, delta);
-}
-
-void main() {
-  vec4 screenTransform = vec4(2.0 / screenSize.x, 2.0 / screenSize.y, -1.0, -1.0);
-  // vec4 screenTransform = vec4(1.0 / screenSize.x, 1.0 / screenSize.y, -0.5, -0.5);
-  vec2 position = clamp(vec2(interpolateAttribute(posX), interpolateAttribute(posY)), bounds.xy, bounds.zw);
-  gl_Position = vec4(position * screenTransform.xy + screenTransform.zw, 1.0, 1.0);
-
-  float red = interpolateAttribute(colR);
-  float green = interpolateAttribute(colG);
-  float blue = interpolateAttribute(colB);
-  float alpha = interpolateAttribute(colA);
-
-  vColor = vec4(red, green, blue, alpha);
-}
-`;
-
-const fragShaderSrc = `
-varying lowp vec4 vColor;
-
-void main() {
-  gl_FragColor = vColor;
-  // premultiply alpha
-  gl_FragColor.rgb *= gl_FragColor.a;
-}
-`;
--- a/frontend/src/app/components/block-overview-tooltip/block-overview-tooltip.component.html
+++ b/frontend/src/app/components/block-overview-tooltip/block-overview-tooltip.component.html
@@ -40,7 +40,7 @@
      </tr>
      <tr>
        <td class="label" i18n="transaction.fee|Transaction fee">Fee</td>
-        <td class="value">{{ fee | number }} <span class="symbol" i18n="shared.sats">sats</span> &nbsp; <span class="fiat"><app-fiat [blockConversion]="blockConversion" [value]="fee"></app-fiat></span>
+        <td class="value">{{ fee | number }} <span class="symbol" i18n="shared.sat|sat">sat</span> &nbsp; <span class="fiat"><app-fiat [blockConversion]="blockConversion" [value]="fee"></app-fiat></span>
      </tr>
      <tr>
        <td class="label" i18n="transaction.fee-rate|Transaction fee rate">Fee rate</td>
@@ -79,11 +79,6 @@
              <span class="badge badge-warning" i18n="tx-features.tag.added|Added">Added</span>
              <span class="badge badge-warning ml-1" i18n="tx-features.tag.prioritized|Prioritized">Prioritized</span>
            </ng-container>
-            <span *ngSwitchCase="'deprioritized'" class="badge badge-warning" i18n="tx-features.tag.prioritized|Deprioritized">Deprioritized</span>
-            <ng-container *ngSwitchCase="'added_deprioritized'">
-              <span class="badge badge-warning" i18n="tx-features.tag.added|Added">Added</span>
-              <span class="badge badge-warning ml-1" i18n="tx-features.tag.prioritized|Deprioritized">Deprioritized</span>
-            </ng-container>
            <span *ngSwitchCase="'selected'" class="badge badge-warning" i18n="transaction.audit.marginal">Marginal fee rate</span>
            <span *ngSwitchCase="'rbf'" class="badge badge-warning" i18n="tx-features.tag.conflict|Conflict">Conflict</span>
            <span *ngSwitchCase="'accelerated'" class="badge badge-accelerated" i18n="transaction.audit.accelerated">Accelerated</span>
--- a/frontend/src/app/components/block/block-preview.component.html
+++ b/frontend/src/app/components/block/block-preview.component.html
@@ -53,13 +53,6 @@
            <td i18n="block.miner">Miner</td>
            <td *ngIf="stateService.env.MINING_DASHBOARD">
              <a placement="bottom" [routerLink]="['/mining/pool' | relativeUrl, block.extras.pool.slug]" class="badge" style="color: #FFF;padding:0;">
-                <span class="miner-name" *ngIf="block.extras.pool.minerNames?.length > 1 && block.extras.pool.minerNames[1] != ''">
-                  @if (block.extras.pool.minerNames[1].length > 16) {
-                    {{ block.extras.pool.minerNames[1].slice(0, 15) }}…
-                  } @else {
-                    {{ block.extras.pool.minerNames[1] }}
-                  }
-                </span>
                <img class="pool-logo" [src]="'/resources/mining-pools/' + block.extras.pool.slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + block.extras.pool.name + ' mining pool'">
                {{ block.extras.pool.name }}
              </a>
@@ -67,15 +60,8 @@
            <td *ngIf="!stateService.env.MINING_DASHBOARD && stateService.env.BASE_MODULE === 'mempool'">
              <span [attr.data-cy]="'block-details-miner-badge'" placement="bottom" class="badge"
                [class]="!block?.extras.pool.name || block?.extras.pool.slug === 'unknown' ? 'badge-secondary' : 'badge-primary'">
-                <span class="miner-name" *ngIf="block.extras.pool.minerNames?.length > 1 && block.extras.pool.minerNames[1] != ''">
-                  @if (block.extras.pool.minerNames[1].length > 16) {
-                    {{ block.extras.pool.minerNames[1].slice(0, 15) }}…
-                  } @else {
-                    {{ block.extras.pool.minerNames[1] }}
-                  }
-                </span>
-                {{ block.extras.pool.name }}
-              </span>
+                {{ block?.extras.pool.name }}
+            </span>
            </td>
          </tr>
        </tbody>
--- a/frontend/src/app/components/block/block-preview.component.ts
+++ b/frontend/src/app/components/block/block-preview.component.ts
@@ -137,7 +137,7 @@ export class BlockPreviewComponent implements OnInit, OnDestroy {
                })
              ),
            this.stateService.env.ACCELERATOR === true && block.height > 819500
-              ? this.servicesApiService.getAllAccelerationHistory$({ blockHeight: block.height })
+              ? this.servicesApiService.getAccelerationHistory$({ blockHeight: block.height })
                .pipe(catchError(() => {
                  return of([]);
                }))
--- a/frontend/src/app/components/block/block.component.html
+++ b/frontend/src/app/components/block/block.component.html
@@ -66,10 +66,10 @@
                    [class.badge-success]="blockAudit?.matchRate >= 99"
                    [class.badge-warning]="blockAudit?.matchRate >= 75 && blockAudit?.matchRate < 99"
                    [class.badge-danger]="blockAudit?.matchRate < 75"
-                    *ngIf="blockAudit?.matchRate != null && blockAudit?.id === block.id; else nullHealth"
+                    *ngIf="blockAudit?.matchRate != null; else nullHealth"
                  >{{ blockAudit?.matchRate }}%</span>
                  <ng-template #nullHealth>
-                    <ng-container *ngIf="!isLoadingOverview && blockAudit?.id === block.id; else loadingHealth">
+                    <ng-container *ngIf="!isLoadingOverview; else loadingHealth">
                      <span class="health-badge badge badge-secondary" i18n="unknown">Unknown</span>
                    </ng-container>
                  </ng-template>
@@ -182,13 +182,6 @@
        <td i18n="block.miner">Miner</td>
        <td *ngIf="stateService.env.MINING_DASHBOARD">
          <a placement="bottom" [routerLink]="['/mining/pool' | relativeUrl, block.extras.pool.slug]" class="badge" style="color: #FFF;padding:0;">
-            <span class="miner-name" *ngIf="block.extras.pool.minerNames?.length > 1 && block.extras.pool.minerNames[1] != ''">
-              @if (block.extras.pool.minerNames[1].length > 16) {
-                {{ block.extras.pool.minerNames[1].slice(0, 15) }}…
-              } @else {
-                {{ block.extras.pool.minerNames[1] }}
-              }
-            </span>
            <img class="pool-logo" [src]="'/resources/mining-pools/' + block.extras.pool.slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + block.extras.pool.name + ' mining pool'">
            {{ block.extras.pool.name }}
          </a>
--- a/frontend/src/app/components/block/block.component.scss
+++ b/frontend/src/app/components/block/block.component.scss
@@ -81,19 +81,6 @@ h1 {
  }
 }

-.miner-name {
-  margin-right: 4px;
-  vertical-align: top;
-}
-
-.pool-logo {
-  width: 25px;
-  height: 25px;
-  position: relative;
-  top: -1px;
-  margin-right: 2px;
-}
-
 .row {
 	flex-direction: column;
 	@media (min-width: 768px) {
--- a/frontend/src/app/components/block/block.component.ts
+++ b/frontend/src/app/components/block/block.component.ts
@@ -17,7 +17,6 @@ import { PriceService, Price } from '../../services/price.service';
 import { CacheService } from '../../services/cache.service';
 import { ServicesApiServices } from '../../services/services-api.service';
 import { PreloadService } from '../../services/preload.service';
-import { identifyPrioritizedTransactions } from '../../shared/transaction.utils';

@Component({
  selector: 'app-block',
@@ -319,7 +318,7 @@ export class BlockComponent implements OnInit, OnDestroy {
    this.accelerationsSubscription = this.block$.pipe(
      switchMap((block) => {
        return this.stateService.env.ACCELERATOR === true && block.height > 819500
-          ? this.servicesApiService.getAllAccelerationHistory$({ blockHeight: block.height })
+          ? this.servicesApiService.getAccelerationHistory$({ blockHeight: block.height })
            .pipe(catchError(() => {
              return of([]);
            }))
@@ -327,7 +326,7 @@ export class BlockComponent implements OnInit, OnDestroy {
      })
    ).subscribe((accelerations) => {
      this.accelerations = accelerations;
-      if (accelerations.length && this.strippedTransactions) { // Don't call setupBlockAudit if we don't have transactions yet; it will be called later in overviewSubscription
+      if (accelerations.length) {
        this.setupBlockAudit();
      }
    });
@@ -525,7 +524,6 @@ export class BlockComponent implements OnInit, OnDestroy {
      const isUnseen = {};
      const isAdded = {};
      const isPrioritized = {};
-      const isDeprioritized = {};
      const isCensored = {};
      const isMissing = {};
      const isSelected = {};
@@ -537,17 +535,6 @@ export class BlockComponent implements OnInit, OnDestroy {
      this.numUnexpected = 0;

      if (blockAudit?.template) {
-        // augment with locally calculated *de*prioritized transactions if possible
-        const { prioritized, deprioritized } = identifyPrioritizedTransactions(transactions);
-        // but if the local calculation produces returns unexpected results, don't use it
-        let useLocalDeprioritized = deprioritized.length < (transactions.length * 0.1);
-        for (const tx of prioritized) {
-          if (!isPrioritized[tx] && !isAccelerated[tx]) {
-            useLocalDeprioritized = false;
-            break;
-          }
-        }
-
        for (const tx of blockAudit.template) {
          inTemplate[tx.txid] = true;
          if (tx.acc) {
@@ -563,14 +550,9 @@ export class BlockComponent implements OnInit, OnDestroy {
        for (const txid of blockAudit.addedTxs) {
          isAdded[txid] = true;
        }
-        for (const txid of blockAudit.prioritizedTxs) {
+        for (const txid of blockAudit.prioritizedTxs || []) {
          isPrioritized[txid] = true;
        }
-        if (useLocalDeprioritized) {
-          for (const txid of deprioritized || []) {
-            isDeprioritized[txid] = true;
-          }
-        }
        for (const txid of blockAudit.missingTxs) {
          isCensored[txid] = true;
        }
@@ -626,12 +608,6 @@ export class BlockComponent implements OnInit, OnDestroy {
            } else {
              tx.status = 'prioritized';
            }
-          } else if (isDeprioritized[tx.txid]) {
-            if (isAdded[tx.txid] || (blockAudit.version > 0 && isUnseen[tx.txid])) {
-              tx.status = 'added_deprioritized';
-            } else {
-              tx.status = 'deprioritized';
-            }
          } else if (isAdded[tx.txid] && (blockAudit.version === 0 || isUnseen[tx.txid])) {
            tx.status = 'added';
          } else if (inTemplate[tx.txid]) {
--- a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html
+++ b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html
@@ -60,14 +60,9 @@
          </ng-container>
        </div>
        <div class="animated" *ngIf="block.extras?.pool != undefined && showPools">
-          <a [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-pool'" class="badge" [class.miner-name]="block.extras.pool.minerNames?.length > 1 && block.extras.pool.minerNames[1] != ''" [routerLink]="[('/mining/pool/' + block.extras.pool.slug) | relativeUrl]">
-            <ng-container *ngIf="block.extras.pool.minerNames?.length > 1 && block.extras.pool.minerNames[1] != ''; else centralisedPool">
-              <img [ngbTooltip]="block.extras.pool.name" class="pool-logo faded" [src]="'/resources/mining-pools/' + block.extras.pool.slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + block.extras.pool.name + ' mining pool'">
-              {{ block.extras.pool.minerNames[1] }}
-            </ng-container>
-            <ng-template #centralisedPool>
-              <img class="pool-logo" [src]="'/resources/mining-pools/' + block.extras.pool.slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + block.extras.pool.name + ' mining pool'"> {{ block.extras.pool.name }}
-            </ng-template>
+          <a [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-pool'" class="badge" [routerLink]="[('/mining/pool/' + block.extras.pool.slug) | relativeUrl]">
+            <img class="pool-logo" [src]="'/resources/mining-pools/' + block.extras.pool.slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'" [alt]="'Logo of ' + block.extras.pool.name + ' mining pool'"> 
+            {{ block.extras.pool.name}}
          </a>
        </div>
      </div>
--- a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.scss
+++ b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.scss
@@ -19,38 +19,6 @@
  pointer-events: none;
 }

-.on-pool-name-text {
-  display: inline-block;
-  padding-top: 2px;
-  font-weight: normal;
-}
-
-
-.on-pool {
-  align-items: center;
-  background-color: var(--bg);
-  display: inline-block;
-  margin-top: 4px;
-  padding: .25em .4em;
-  border-radius: .25rem;
-}
-
-.on-pool-container {
-  align-items: center;
-  position: relative;
-  top: -8px;
-  display: flex;
-  flex-direction: column;
-}
-
-.on-pool-container.selected {
-  top: 0px;
-}
-
-.pool-container {
-  margin-top: 12px;
-}
-
 .mined-block {
  position: absolute;
  top: 0px;
@@ -187,16 +155,9 @@

 .badge {
  position: relative;
-  top: 19px;
+  top: 15px;
  z-index: 101;
  color: #FFF;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  max-width: 145px;
-
-  &.miner-name {
-    max-width: 125px;
-  }
 }

 .pool-logo {
@@ -207,10 +168,6 @@
  margin-right: 2px;
 }

-.pool-logo.faded {
-  filter: grayscale(100%) brightness(1.5);
-}
-
 .animated {
  transition: all 0.15s ease-in-out;
  white-space: nowrap;
--- a/frontend/src/app/components/blocks-list/blocks-list.component.html
+++ b/frontend/src/app/components/blocks-list/blocks-list.component.html
@@ -1,11 +1,8 @@
 <app-indexing-progress *ngIf="!widget"></app-indexing-progress>

 <div class="container-xl" style="min-height: 335px" [ngClass]="{'widget': widget, 'full-height': !widget, 'legacy': !isMempoolModule}">
-  <div *ngIf="!widget" class="float-left" style="display: flex; width: 100%; align-items: center;">
-    <h1 i18n="master-page.blocks">Blocks</h1>
-    <app-svg-images name="blocks-2-3" style="width: 275px; max-width: 90%; margin-top: -10px"></app-svg-images>
-    <div *ngIf="!widget && isLoading" class="spinner-border" role="status"></div>
-  </div>
+  <h1 *ngIf="!widget" class="float-left" i18n="master-page.blocks">Blocks</h1>
+  <div *ngIf="!widget && isLoading" class="spinner-border ml-3" role="status"></div>

  <div class="clearfix"></div>

--- a/frontend/src/app/components/blocks-list/blocks-list.component.scss
+++ b/frontend/src/app/components/blocks-list/blocks-list.component.scss
@@ -1,9 +1,7 @@
 .spinner-border {
  height: 25px;
  width: 25px;
-  margin-top: -10px;
-  margin-left: -13px;
-  flex-shrink: 0;
+  margin-top: 13px;
 }

 .container-xl {
--- a/frontend/src/app/components/calculator/calculator.component.html
+++ b/frontend/src/app/components/calculator/calculator.component.html
@@ -12,7 +12,7 @@
          <div class="input-group-prepend">
            <span class="input-group-text">{{ currency$ | async }}</span>
          </div>
-          <input type="text" inputmode="numeric" class="form-control" formControlName="fiat" (input)="transformInput('fiat')" (click)="selectAll($event)">
+          <input type="text" class="form-control" formControlName="fiat" (input)="transformInput('fiat')" (click)="selectAll($event)">
          <app-clipboard [button]="true" [text]="form.get('fiat').value" [class]="'btn btn-lg btn-secondary ml-1'"></app-clipboard>
        </div>

@@ -20,7 +20,7 @@
          <div class="input-group-prepend">
            <span class="input-group-text">BTC</span>
          </div>
-          <input type="text" inputmode="numeric" class="form-control" formControlName="bitcoin" (input)="transformInput('bitcoin')" (click)="selectAll($event)">
+          <input type="text" class="form-control" formControlName="bitcoin" (input)="transformInput('bitcoin')" (click)="selectAll($event)">
          <app-clipboard [button]="true" [text]="form.get('bitcoin').value" [class]="'btn btn-lg btn-secondary ml-1'"></app-clipboard>
        </div>

@@ -28,7 +28,7 @@
          <div class="input-group-prepend">
            <span class="input-group-text" i18n="shared.sats">sats</span>
          </div>
-          <input type="text" inputmode="numeric" class="form-control" formControlName="satoshis" (input)="transformInput('satoshis')" (click)="selectAll($event)">
+          <input type="text" class="form-control" formControlName="satoshis" (input)="transformInput('satoshis')" (click)="selectAll($event)">
          <app-clipboard [button]="true" [text]="form.get('satoshis').value" [class]="'btn btn-lg btn-secondary ml-1'"></app-clipboard>
        </div>
      </form>
--- a/frontend/src/app/components/difficulty-mining/difficulty-mining.component.ts
+++ b/frontend/src/app/components/difficulty-mining/difficulty-mining.component.ts
@@ -77,7 +77,7 @@ export class DifficultyMiningComponent implements OnInit {
          base: `${da.progressPercent.toFixed(2)}%`,
          change: da.difficultyChange,
          progress: da.progressPercent,
-          remainingBlocks: da.remainingBlocks,
+          remainingBlocks: da.remainingBlocks - 1,
          colorAdjustments,
          colorPreviousAdjustments,
          newDifficultyHeight: da.nextRetargetHeight,
--- a/frontend/src/app/components/difficulty/difficulty.component.ts
+++ b/frontend/src/app/components/difficulty/difficulty.component.ts
@@ -153,8 +153,8 @@ export class DifficultyComponent implements OnInit {
          base: `${da.progressPercent.toFixed(2)}%`,
          change: da.difficultyChange,
          progress: da.progressPercent,
-          minedBlocks: this.currentIndex,
-          remainingBlocks: da.remainingBlocks,
+          minedBlocks: this.currentIndex + 1,
+          remainingBlocks: da.remainingBlocks - 1,
          expectedBlocks: Math.floor(da.expectedBlocks),
          colorAdjustments,
          colorPreviousAdjustments,
--- a/frontend/src/app/components/eight-blocks/eight-blocks.component.html
+++ b/frontend/src/app/components/eight-blocks/eight-blocks.component.html
@@ -1,24 +1,23 @@
-
-<app-block-overview-multi
-  #blockGraph
-  [isLoading]="isLoadingTransactions"
-  [numBlocks]="numBlocks"
-  [padding]="padding"
-  [blockWidth]="blockWidth"
-  [resolution]="resolution"
-  [blockLimit]="stateService.blockVSize"
-  [orientation]="'top'"
-  [flip]="false"
-  [animationDuration]="animationDuration"
-  [animationOffset]="animationOffset"
-></app-block-overview-multi>
 <div class="blocks" [class.wrap]="wrapBlocks">
  <ng-container *ngFor="let i of blockIndices">
    <div class="block-wrapper" [style]="wrapperStyle">
      <div class="block-container" [style]="containerStyle">
+        <app-block-overview-graph
+          #blockGraph
+          [isLoading]="false"
+          [resolution]="resolution"
+          [blockLimit]="stateService.blockVSize"
+          [orientation]="'top'"
+          [flip]="false"
+          [animationDuration]="animationDuration"
+          [animationOffset]="animationOffset"
+          [disableSpinner]="true"
+          [relativeTime]="blockInfo[i]?.timestamp"
+          (txClickEvent)="onTxClick($event)"
+        ></app-block-overview-graph>
        <div *ngIf="showInfo && blockInfo[i]" class="info" @infoChange>
          <h1 class="height">{{ blockInfo[i].height }}</h1>
-          <h2 class="mined-by">by {{ blockInfo[i].extras.pool.name || 'Unknown' }} <img class="pool-logo" [src]="'/resources/mining-pools/' + blockInfo[i].extras.pool.slug + '.svg'" onError="this.src = '/resources/mining-pools/default.svg'"> </h2>
+          <h2 class="mined-by">by {{ blockInfo[i].extras.pool.name || 'Unknown' }}</h2>
        </div>
      </div>
    </div>
--- a/frontend/src/app/components/eight-blocks/eight-blocks.component.scss
+++ b/frontend/src/app/components/eight-blocks/eight-blocks.component.scss
@@ -1,7 +1,4 @@
 .blocks {
-  position: absolute;
-  left: 0;
-  top: 0;
  width: 100%;
  height: 100%;
  min-width: 100vw;
@@ -69,12 +66,4 @@
  .block-container {
    overflow: hidden;
  }
-}
-
-.pool-logo {
-  width: 1.2em;
-  height: 1.2em;
-  position: relative;
-  top: -1px;
-  margin-right: 2px;
 }
--- a/frontend/src/app/components/eight-blocks/eight-blocks.component.ts
+++ b/frontend/src/app/components/eight-blocks/eight-blocks.component.ts
@@ -1,16 +1,16 @@
-import { Component, OnInit, OnDestroy, ViewChild, HostListener } from '@angular/core';
+import { Component, OnInit, OnDestroy, ViewChildren, QueryList } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import { catchError } from 'rxjs/operators';
+import { catchError, startWith } from 'rxjs/operators';
 import { Subject, Subscription, of } from 'rxjs';
 import { StateService } from '../../services/state.service';
 import { WebsocketService } from '../../services/websocket.service';
+import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
 import { BlockExtended, TransactionStripped } from '../../interfaces/node-api.interface';
 import { ApiService } from '../../services/api.service';
+import { BlockOverviewGraphComponent } from '../block-overview-graph/block-overview-graph.component';
 import { detectWebGL } from '../../shared/graphs.utils';
 import { animate, style, transition, trigger } from '@angular/animations';
 import { BytesPipe } from '../../shared/pipes/bytes-pipe/bytes.pipe';
-import { BlockOverviewMultiComponent } from '../block-overview-multi/block-overview-multi.component';
-import { CacheService } from '../../services/cache.service';

 function bestFitResolution(min, max, n): number {
  const target = (min + max) / 2;
@@ -48,27 +48,24 @@ interface BlockInfo extends BlockExtended {
 })
 export class EightBlocksComponent implements OnInit, OnDestroy {
  network = '';
-  latestBlocks: (BlockExtended | null)[] = [];
-  pendingBlocks: Record<number, ((b: BlockExtended) => void)[]> = {};
+  latestBlocks: BlockExtended[] = [];
  isLoadingTransactions = true;
  strippedTransactions: { [height: number]: TransactionStripped[] } = {};
  webGlEnabled = true;
  hoverTx: string | null = null;

-  tipSubscription: Subscription;
+  blocksSubscription: Subscription;
  cacheBlocksSubscription: Subscription;
  networkChangedSubscription: Subscription;
  queryParamsSubscription: Subscription;
  graphChangeSubscription: Subscription;

-  height: number = 0;
  numBlocks: number = 8;
-  autoNumBlocks: boolean = false;
  blockIndices: number[] = [...Array(8).keys()];
  autofit: boolean = false;
  padding: number = 0;
  wrapBlocks: boolean = false;
-  blockWidth: number = 360;
+  blockWidth: number = 1080;
  animationDuration: number = 2000;
  animationOffset: number = 0;
  stagger: number = 0;
@@ -82,14 +79,13 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
  wrapperStyle = {
    '--block-width': '1080px',
    width: '1080px',
-    height: '1080px',
    maxWidth: '1080px',
-    margin: '',
+    padding: '',
  };
  containerStyle = {};
  resolution: number = 86;

-  @ViewChild('blockGraph') blockGraph: BlockOverviewMultiComponent;
+  @ViewChildren('blockGraph') blockGraphs: QueryList<BlockOverviewGraphComponent>;

  constructor(
    private route: ActivatedRoute,
@@ -97,7 +93,6 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
    public stateService: StateService,
    private websocketService: WebsocketService,
    private apiService: ApiService,
-    private cacheService: CacheService,
    private bytesPipe: BytesPipe,
  ) {
    this.webGlEnabled = this.stateService.isBrowser && detectWebGL();
@@ -108,24 +103,15 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
    this.network = this.stateService.network;

    this.queryParamsSubscription = this.route.queryParams.subscribe((params) => {
+      this.numBlocks = Number.isInteger(Number(params.numBlocks)) ? Number(params.numBlocks) : 8;
+      this.blockIndices = [...Array(this.numBlocks).keys()];
      this.autofit = params.autofit !== 'false';
-      this.numBlocks = Number.isInteger(Number(params.numBlocks)) ? Number(params.numBlocks) : 0;
-      this.blockWidth = Number.isInteger(Number(params.blockWidth)) ? Number(params.blockWidth) : 320;
-      this.padding = Number.isInteger(Number(params.padding)) ? Number(params.padding) : 4;
+      this.padding = Number.isInteger(Number(params.padding)) ? Number(params.padding) : 10;
+      this.blockWidth = Number.isInteger(Number(params.blockWidth)) ? Number(params.blockWidth) : 540;
      this.wrapBlocks = params.wrap !== 'false';
      this.stagger = Number.isInteger(Number(params.stagger)) ? Number(params.stagger) : 0;
      this.animationDuration = Number.isInteger(Number(params.animationDuration)) ? Number(params.animationDuration) : 2000;
-      this.animationOffset = 0;
-
-      if (!this.numBlocks) {
-        this.autoNumBlocks = true;
-        const width = window.innerWidth;
-        const height = window.innerHeight;
-        const paddedWidth = this.blockWidth + (this.padding * 2);
-        this.numBlocks = Math.floor(width / paddedWidth) * Math.floor(height / paddedWidth);
-      }
-
-      this.blockIndices = [...Array(this.numBlocks).keys()];
+      this.animationOffset = this.padding * 2;

      if (this.autofit) {
        this.resolution = bestFitResolution(76, 96, this.blockWidth - this.padding * 2);
@@ -136,24 +122,24 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
      this.wrapperStyle = {
        '--block-width': this.blockWidth + 'px',
        width: this.blockWidth + 'px',
-        height: this.blockWidth + 'px',
        maxWidth: this.blockWidth + 'px',
-        margin: (this.padding || 0) +'px ',
+        padding: (this.padding || 0) +'px 0px',
      };

-      this.cacheBlocksSubscription = this.cacheService.loadedBlocks$.subscribe((block: BlockExtended) => {
-        if (this.pendingBlocks[block.height]) {
-          this.pendingBlocks[block.height].forEach(resolve => resolve(block));
-          delete this.pendingBlocks[block.height];
+      if (params.test === 'true') {
+        if (this.blocksSubscription) {
+          this.blocksSubscription.unsubscribe();
        }
-      });
-
-      this.tipSubscription?.unsubscribe();
-      this.tipSubscription = this.stateService.chainTip$
-        .subscribe((height) => {
-          this.height = height;
-          this.handleNewBlock(height);
+        this.blocksSubscription = (new Subject<BlockExtended[]>()).subscribe((blocks) => {
+          this.handleNewBlock(blocks.slice(0, this.numBlocks));
        });
+        this.shiftTestBlocks();
+      } else if (!this.blocksSubscription) {
+        this.blocksSubscription = this.stateService.blocks$
+          .subscribe((blocks) => {
+            this.handleNewBlock(blocks.slice(0, this.numBlocks));
+          });
+      }
    });

    this.setupBlockGraphs();
@@ -163,80 +149,53 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
  }

  ngAfterViewInit(): void {
-    this.setupBlockGraphs();
-  }
-
-  @HostListener('window:resize', ['$event'])
-  resizeCanvas(): void {
-    if (this.autoNumBlocks) {
-      this.autoNumBlocks = true;
-      const width = window.innerWidth;
-      const height = window.innerHeight;
-      const paddedWidth = this.blockWidth + (this.padding * 2);
-      this.numBlocks = Math.floor(width / paddedWidth) * Math.floor(height / paddedWidth);
-      this.blockIndices = [...Array(this.numBlocks).keys()];
-
-      if (this.autofit) {
-        this.resolution = bestFitResolution(76, 96, this.blockWidth - this.padding * 2);
-      } else {
-        this.resolution = 86;
-      }
-
-      this.wrapperStyle = {
-        '--block-width': this.blockWidth + 'px',
-        width: this.blockWidth + 'px',
-        height: this.blockWidth + 'px',
-        maxWidth: this.blockWidth + 'px',
-        margin: (this.padding || 0) +'px ',
-      };
-
-      if (this.cacheBlocksSubscription) {
-        this.cacheBlocksSubscription.unsubscribe();
-      }
-      this.cacheBlocksSubscription = this.cacheService.loadedBlocks$.subscribe((block: BlockExtended) => {
-        if (this.pendingBlocks[block.height]) {
-          this.pendingBlocks[block.height].forEach(resolve => resolve(block));
-          delete this.pendingBlocks[block.height];
-        }
-      });
-
-      this.tipSubscription?.unsubscribe();
-      this.tipSubscription = this.stateService.chainTip$
-        .subscribe((height) => {
-          this.height = height;
-          this.handleNewBlock(height);
-        });
-
+    this.graphChangeSubscription = this.blockGraphs.changes.pipe(startWith(null)).subscribe(() => {
      this.setupBlockGraphs();
-    }
+    });
  }

  ngOnDestroy(): void {
    this.stateService.markBlock$.next({});
-    if (this.tipSubscription) {
-      this.tipSubscription?.unsubscribe();
+    if (this.blocksSubscription) {
+      this.blocksSubscription?.unsubscribe();
    }
    this.cacheBlocksSubscription?.unsubscribe();
    this.networkChangedSubscription?.unsubscribe();
    this.queryParamsSubscription?.unsubscribe();
  }

-  async handleNewBlock(height: number): Promise<void> {
+  shiftTestBlocks(): void {
+    const sub = this.apiService.getBlocks$(this.testHeight).subscribe(result => {
+      sub.unsubscribe();
+      this.handleNewBlock(result.slice(0, this.numBlocks));
+      this.testHeight++;
+      clearTimeout(this.testShiftTimeout);
+      this.testShiftTimeout = window.setTimeout(() => { this.shiftTestBlocks(); }, 10000);
+    });
+  }
+
+  async handleNewBlock(blocks: BlockExtended[]): Promise<void> {
    const readyPromises: Promise<TransactionStripped[]>[] = [];
    const previousBlocks = this.latestBlocks;
-
-    const blocks = await this.loadBlocks(height, this.numBlocks);
-
    const newHeights = {};
    this.latestBlocks = blocks;
    for (const block of blocks) {
      newHeights[block.height] = true;
      if (!this.strippedTransactions[block.height]) {
-        readyPromises.push(this.loadBlockTransactions(block));
+        readyPromises.push(new Promise((resolve) => {
+          const subscription = this.apiService.getStrippedBlockTransactions$(block.id).pipe(
+            catchError(() => {
+              return of([]);
+            }),
+          ).subscribe((transactions) => {
+            this.strippedTransactions[block.height] = transactions;
+            subscription.unsubscribe();
+            resolve(transactions);
+          });
+        }));
      }
    }
    await Promise.allSettled(readyPromises);
-    this.isLoadingTransactions = false;
    this.updateBlockGraphs(blocks);

    // free up old transactions
@@ -247,44 +206,12 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
    });
  }

-  async loadBlocks(height: number, numBlocks: number): Promise<BlockExtended[]> {
-    const promises: Promise<BlockExtended>[] = [];
-    for (let i = 0; i < numBlocks; i++) {
-      this.cacheService.loadBlock(height - i);
-      const cachedBlock = this.cacheService.getCachedBlock(height - i);
-      if (cachedBlock) {
-        promises.push(Promise.resolve(cachedBlock));
-      } else {
-        promises.push(new Promise((resolve) => {
-          if (!this.pendingBlocks[height - i]) {
-            this.pendingBlocks[height - i] = [];
-          }
-          this.pendingBlocks[height - i].push(resolve);
-        }));
-      }
-    }
-    return Promise.all(promises);
-  }
-
-  async loadBlockTransactions(block: BlockExtended): Promise<TransactionStripped[]> {
-    return new Promise((resolve) => {
-      this.apiService.getStrippedBlockTransactions$(block.id).pipe(
-        catchError(() => {
-          return of([]);
-        }),
-      ).subscribe((transactions) => {
-        this.strippedTransactions[block.height] = transactions;
-        resolve(transactions);
-      });
-    });
-  }
-
  updateBlockGraphs(blocks): void {
    const startTime = performance.now() + 1000 - (this.stagger < 0 ? this.stagger * 8 : 0);
-    if (this.blockGraph) {
-      for (let i = 0; i < this.numBlocks; i++) {
-        this.blockGraph.replace(i, this.strippedTransactions[blocks?.[this.getBlockIndex(i)]?.height] || [], 'right', false, startTime + (this.stagger * i));
-      }
+    if (this.blockGraphs) {
+      this.blockGraphs.forEach((graph, index) => {
+        graph.replace(this.strippedTransactions[blocks?.[index]?.height] || [], 'right', false, startTime + (this.stagger * index));
+      });
    }
    this.showInfo = false;
    setTimeout(() => {
@@ -299,22 +226,28 @@ export class EightBlocksComponent implements OnInit, OnDestroy {
  }

  setupBlockGraphs(): void {
-    if (this.blockGraph) {
-      for (let i = 0; i < this.numBlocks; i++) {
-        this.blockGraph.destroy(i);
-        this.blockGraph.setup(i, this.strippedTransactions[this.latestBlocks?.[this.getBlockIndex(i)]?.height] || []);
-      }
+    if (this.blockGraphs) {
+      this.blockGraphs.forEach((graph, index) => {
+        graph.destroy();
+        graph.setup(this.strippedTransactions[this.latestBlocks?.[index]?.height] || []);
+      });
    }
  }

-  getBlockIndex(slotIndex: number): number {
-    const width = window.innerWidth;
-    const height = window.innerHeight;
-    const paddedWidth = this.blockWidth + (this.padding * 2);
-    const blocksPerRow = Math.floor(width / paddedWidth);
-    const blocksPerColumn = Math.floor(height / paddedWidth);
-    const row = Math.floor(slotIndex / blocksPerRow);
-    const column = slotIndex % blocksPerRow;
-    return (blocksPerColumn - 1 - row) * blocksPerRow + column;
+  onTxClick(event: { tx: TransactionStripped, keyModifier: boolean }): void {
+    const url = new RelativeUrlPipe(this.stateService).transform(`/tx/${event.tx.txid}`);
+    if (!event.keyModifier) {
+      this.router.navigate([url]);
+    } else {
+      window.open(url, '_blank');
+    }
+  }
+
+  onTxHover(txid: string): void {
+    if (txid && txid.length) {
+      this.hoverTx = txid;
+    } else {
+      this.hoverTx = null;
+    }
  }
 }
--- a/frontend/src/app/components/eight-mempool/eight-mempool.component.html
+++ b/frontend/src/app/components/eight-mempool/eight-mempool.component.html
@@ -1,15 +0,0 @@
-<app-block-overview-multi
-  #blockGraph
-  [isLoading]="isLoading"
-  [numBlocks]="numBlocks"
-  [padding]="padding"
-  [blockWidth]="blockWidth"
-  [resolution]="resolution"
-  [blockLimit]="stateService.blockVSize"
-  [orientation]="'left'"
-  [flip]="true"
-  [showFilters]="true"
-  [animationDuration]="animationDuration"
-  [animationOffset]="animationOffset"
-  (txClickEvent)="onTxClick($event)"
-></app-block-overview-multi>
--- a/frontend/src/app/components/eight-mempool/eight-mempool.component.scss
+++ b/frontend/src/app/components/eight-mempool/eight-mempool.component.scss
@@ -1,72 +0,0 @@
-.blocks {
-  position: absolute;
-  left: 0;
-  top: 0;
-  width: 100%;
-  height: 100%;
-  min-width: 100vw;
-  display: flex;
-  flex-direction: row;
-  flex-wrap: nowrap;
-  justify-content: flex-start;
-  align-items: flex-start;
-  align-content: flex-start;
-
-  &.wrap {
-    flex-wrap: wrap;
-  }
-
-  .block-wrapper {
-    flex-grow: 0;
-    flex-shrink: 0;
-    position: relative;
-    --block-width: 1080px;
-
-    .info {
-      position: absolute;
-      left: 8%;
-      top: 8%;
-      right: 8%;
-      bottom: 8%;
-      height: 84%;
-      width: 84%;
-      display: flex;
-      flex-direction: column;
-      align-items: center;
-      justify-content: center;
-      font-weight: 700;
-      font-size: calc(var(--block-width) * 0.03);
-      text-shadow: 0 0 calc(var(--block-width) * 0.05) black;
-
-      h1 {
-        font-size: 6em;
-        line-height: 1;
-        margin-bottom: calc(var(--block-width) * 0.03);
-      }
-      h2 {
-        font-size: 1.8em;
-        line-height: 1;
-        margin-bottom: calc(var(--block-width) * 0.03);
-      }
-
-      .hash {
-        font-family: monospace;
-        word-wrap: break-word;
-        font-size: 1.4em;
-        line-height: 1;
-        margin-bottom: calc(var(--block-width) * 0.03);
-      }
-
-      .mined-by {
-        position: absolute;
-        bottom: 0;
-        margin: auto;
-        text-align: center;
-      }
-    }
-  }
-
-  .block-container {
-    overflow: hidden;
-  }
-}
--- a/frontend/src/app/components/eight-mempool/eight-mempool.component.ts
+++ b/frontend/src/app/components/eight-mempool/eight-mempool.component.ts
@@ -1,249 +0,0 @@
-import { Component, OnInit, OnDestroy, ViewChild, HostListener } from '@angular/core';
-import { ActivatedRoute, Router } from '@angular/router';
-import { Subscription } from 'rxjs';
-import { StateService } from '../../services/state.service';
-import { WebsocketService } from '../../services/websocket.service';
-import { TransactionStripped } from '../../interfaces/node-api.interface';
-import { ApiService } from '../../services/api.service';
-import { detectWebGL } from '../../shared/graphs.utils';
-import { animate, style, transition, trigger } from '@angular/animations';
-import { BytesPipe } from '../../shared/pipes/bytes-pipe/bytes.pipe';
-import { BlockOverviewMultiComponent } from '../block-overview-multi/block-overview-multi.component';
-import { CacheService } from '../../services/cache.service';
-import { isMempoolDelta, MempoolBlockDelta } from '../../interfaces/websocket.interface';
-import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
-
-function bestFitResolution(min, max, n): number {
-  const target = (min + max) / 2;
-  let bestScore = Infinity;
-  let best = null;
-  for (let i = min; i <= max; i++) {
-    const remainder = (n % i);
-    if (remainder < bestScore || (remainder === bestScore && (Math.abs(i - target) < Math.abs(best - target)))) {
-      bestScore = remainder;
-      best = i;
-    }
-  }
-  return best;
-}
-
-@Component({
-  selector: 'app-eight-mempool',
-  templateUrl: './eight-mempool.component.html',
-  styleUrls: ['./eight-mempool.component.scss'],
-  animations: [
-    trigger('infoChange', [
-      transition(':enter', [
-        style({ opacity: 0 }),
-        animate('1000ms', style({ opacity: 1 })),
-      ]),
-      transition(':leave', [
-        animate('1000ms 500ms', style({ opacity: 0 }))
-      ])
-    ]),
-  ],
-})
-export class EightMempoolComponent implements OnInit, OnDestroy {
-  network = '';
-  strippedTransactions: { [height: number]: TransactionStripped[] } = {};
-  isLoading = true;
-  webGlEnabled = true;
-  hoverTx: string | null = null;
-
-  networkChangedSubscription: Subscription;
-  queryParamsSubscription: Subscription;
-  graphChangeSubscription: Subscription;
-  blockSub: Subscription;
-
-  chainDirection: string = 'right';
-  poolDirection: string = 'left';
-
-  lastBlockHeight: number = 0;
-  lastBlockHeightUpdate: number[] = [];
-  numBlocks: number = 8;
-  autoNumBlocks: boolean = false;
-  blockIndices: number[] = [];
-  autofit: boolean = false;
-  padding: number = 0;
-  wrapBlocks: boolean = false;
-  blockWidth: number = 360;
-  animationDuration: number = 2000;
-  animationOffset: number = 0;
-  stagger: number = 0;
-  testing: boolean = true;
-  testHeight: number = 800000;
-  testShiftTimeout: number;
-
-  showInfo: boolean = true;
-
-  wrapperStyle = {
-    '--block-width': '1080px',
-    width: '1080px',
-    height: '1080px',
-    maxWidth: '1080px',
-    margin: '',
-  };
-  containerStyle = {};
-  resolution: number = 86;
-
-  @ViewChild('blockGraph') blockGraph: BlockOverviewMultiComponent;
-
-  constructor(
-    private route: ActivatedRoute,
-    private router: Router,
-    public stateService: StateService,
-    private websocketService: WebsocketService,
-    private apiService: ApiService,
-    private cacheService: CacheService,
-    private bytesPipe: BytesPipe,
-  ) {
-    this.webGlEnabled = this.stateService.isBrowser && detectWebGL();
-  }
-
-  ngOnInit(): void {
-    this.websocketService.want(['blocks', 'mempool-blocks']);
-    this.network = this.stateService.network;
-
-    this.stateService.activeGoggles$.next({ mode: 'and', filters: [], gradient: 'fee' });
-
-    this.blockSub = this.stateService.mempoolBlockUpdate$.subscribe((update) => {
-      // process update
-      if (isMempoolDelta(update)) {
-        // delta
-        this.updateBlock(update);
-      } else {
-        const transactionsStripped = update.transactions;
-        const inOldBlock = {};
-        const inNewBlock = {};
-        const added: TransactionStripped[] = [];
-        const changed: { txid: string, rate: number | undefined, flags: number, acc: boolean | undefined }[] = [];
-        const removed: string[] = [];
-        for (const tx of transactionsStripped) {
-          inNewBlock[tx.txid] = true;
-        }
-        for (const txid of Object.keys(this.blockGraph?.scenes[this.numBlocks - update.block - 1]?.txs || {})) {
-          inOldBlock[txid] = true;
-          if (!inNewBlock[txid]) {
-            removed.push(txid);
-          }
-        }
-        for (const tx of transactionsStripped) {
-          if (!inOldBlock[tx.txid]) {
-            added.push(tx);
-          } else {
-            changed.push({
-              txid: tx.txid,
-              rate: tx.rate,
-              flags: tx.flags,
-              acc: tx.acc
-            });
-          }
-        }
-        this.updateBlock({
-          block: update.block,
-          removed,
-          changed,
-          added
-        });
-      }
-    });
-
-    this.queryParamsSubscription = this.route.queryParams.subscribe((params) => {
-      this.autofit = params.autofit !== 'false';
-      this.numBlocks = Number.isInteger(Number(params.numBlocks)) ? Number(params.numBlocks) : 0;
-      this.blockWidth = Number.isInteger(Number(params.blockWidth)) ? Number(params.blockWidth) : 320;
-      this.padding = Number.isInteger(Number(params.padding)) ? Number(params.padding) : 4;
-      this.wrapBlocks = params.wrap !== 'false';
-      this.stagger = Number.isInteger(Number(params.stagger)) ? Number(params.stagger) : 0;
-      this.animationDuration = Number.isInteger(Number(params.animationDuration)) ? Number(params.animationDuration) : 2000;
-      this.animationOffset = 0;
-
-      if (!this.numBlocks) {
-        this.autoNumBlocks = true;
-        const width = window.innerWidth;
-        const height = window.innerHeight;
-        const paddedWidth = this.blockWidth + (this.padding * 2);
-        this.numBlocks = Math.floor(width / paddedWidth) * Math.floor(height / paddedWidth);
-      }
-
-      this.blockIndices = [...Array(this.numBlocks).keys()];
-      this.lastBlockHeightUpdate = this.blockIndices.map(() => 0);
-
-      if (this.autofit) {
-        this.resolution = bestFitResolution(76, 96, this.blockWidth - this.padding * 2);
-      } else {
-        this.resolution = 86;
-      }
-
-      this.wrapperStyle = {
-        '--block-width': this.blockWidth + 'px',
-        width: this.blockWidth + 'px',
-        height: this.blockWidth + 'px',
-        maxWidth: this.blockWidth + 'px',
-        margin: (this.padding || 0) +'px ',
-      };
-
-      this.websocketService.startTrackMempoolBlocks(this.blockIndices);
-    });
-
-    this.networkChangedSubscription = this.stateService.networkChanged$
-      .subscribe((network) => this.network = network);
-  }
-
-  onTxClick(event: { tx: TransactionStripped, keyModifier: boolean }): void {
-    const url = new RelativeUrlPipe(this.stateService).transform(`/tx/${event.tx.txid}`);
-    if (!event.keyModifier) {
-      this.router.navigate([url]);
-    } else {
-      window.open(url, '_blank');
-    }
-  }
-
-  @HostListener('window:resize', ['$event'])
-  resizeCanvas(): void {
-    if (this.autoNumBlocks) {
-      this.autoNumBlocks = true;
-      const width = window.innerWidth;
-      const height = window.innerHeight;
-      const paddedWidth = this.blockWidth + (this.padding * 2);
-      this.numBlocks = Math.floor(width / paddedWidth) * Math.floor(height / paddedWidth);
-      this.blockIndices = [...Array(this.numBlocks).keys()];
-      this.lastBlockHeightUpdate = this.blockIndices.map(() => 0);
-
-      if (this.autofit) {
-        this.resolution = bestFitResolution(76, 96, this.blockWidth - this.padding * 2);
-      } else {
-        this.resolution = 86;
-      }
-
-      this.wrapperStyle = {
-        '--block-width': this.blockWidth + 'px',
-        width: this.blockWidth + 'px',
-        height: this.blockWidth + 'px',
-        maxWidth: this.blockWidth + 'px',
-        margin: (this.padding || 0) +'px ',
-      };
-
-      this.websocketService.startTrackMempoolBlocks(this.blockIndices);
-    }
-  }
-
-  ngOnDestroy(): void {
-    this.stateService.markBlock$.next({});
-    this.blockSub.unsubscribe();
-    this.networkChangedSubscription?.unsubscribe();
-    this.queryParamsSubscription?.unsubscribe();
-  }
-
-  updateBlock(delta: MempoolBlockDelta): void {
-    const blockMined = (this.stateService.latestBlockHeight > this.lastBlockHeightUpdate[delta.block]);
-    if (blockMined) {
-      this.blockGraph.update(this.numBlocks - delta.block - 1, delta.added, delta.removed, delta.changed || [], blockMined ? this.chainDirection : this.poolDirection, blockMined);
-    } else {
-      this.blockGraph.update(this.numBlocks - delta.block - 1, delta.added, delta.removed, delta.changed || [], this.poolDirection);
-    }
-    this.isLoading = false;
-
-    this.lastBlockHeightUpdate[delta.block] = this.stateService.latestBlockHeight;
-  }
-}
--- a/frontend/src/app/components/faucet/faucet.component.html
+++ b/frontend/src/app/components/faucet/faucet.component.html
@@ -5,7 +5,7 @@
  </div>

  <div class="faucet-container text-center">
-
+  
    @if (txid) {
      <div class="alert alert-success w-100 text-truncate">
        <fa-icon [icon]="['fas', 'circle-check']"></fa-icon>
@@ -27,14 +27,6 @@
        <app-twitter-login customClass="btn btn-sm" width="220px" redirectTo="/testnet4/faucet" buttonString="Sign up with Twitter"></app-twitter-login>
      </div>
    }
-    @else if (user && user.status === 'pending' && !user.email && user.snsId) {
-      <div class="alert alert-danger w-100 col d-flex justify-content-center text-left">
-        <span class="d-flex">
-          <fa-icon [icon]="['fas', 'exclamation-triangle']" [fixedWidth]="true" class="mr-1"></fa-icon>
-          <span>Please <a class="text-primary" [routerLink]="['/services/account/settings']">verify your account</a> by providing a valid email address. To mitigate spam, we delete unverified accounts at regular intervals.</span>
-        </span>
-      </div>
-    }
    @else if (error === 'not_available') {
      <!-- User logged in but not a paid user or did not link its Twitter account -->
      <div class="alert alert-mempool d-block text-center w-100">
@@ -44,13 +36,6 @@
        <app-twitter-login customClass="btn btn-sm" width="180px" redirectTo="/testnet4/faucet" buttonString="Link your Twitter"></app-twitter-login>
      </div>
    }
-    @else if (error === 'account_limited') {
-      <div class="alert alert-mempool d-block text-center w-100">
-        <div class="d-inline align-middle">
-          <span class="mb-2 mr-2">Your Twitter account does not allow you to access the faucet</span>
-        </div>
-      </div>
-    }
    @else if (error) {
      <!-- User can request -->
      <app-mempool-error class="w-100" [error]="error"></app-mempool-error>
@@ -96,7 +81,7 @@
    }

    <!-- Send back coins -->
-    @if (status?.address) {
+    @if (status?.address) {  
      <div class="mt-4 alert alert-info w-100">If you no longer need your testnet4 coins, please consider <a class="text-primary" [routerLink]="['/address/' | relativeUrl, status.address]"><u>sending them back</u></a> to replenish the faucet.</div>
    }

--- a/frontend/src/app/components/faucet/faucet.component.ts
+++ b/frontend/src/app/components/faucet/faucet.component.ts
@@ -1,6 +1,7 @@
 import { Component, OnDestroy, OnInit, ChangeDetectorRef } from "@angular/core";
 import { FormBuilder, FormGroup, Validators, ValidatorFn, AbstractControl, ValidationErrors } from "@angular/forms";
 import { Subscription } from "rxjs";
+import { StorageService } from "../../services/storage.service";
 import { ServicesApiServices } from "../../services/services-api.service";
 import { getRegex } from "../../shared/regex.utils";
 import { StateService } from "../../services/state.service";
@@ -18,7 +19,7 @@ export class FaucetComponent implements OnInit, OnDestroy {
  error: string = '';
  user: any = undefined;
  txid: string = '';
-
+ 
  faucetStatusSubscription: Subscription;
  status: {
    min: number; // minimum amount to request at once (in sats)
@@ -33,6 +34,7 @@ export class FaucetComponent implements OnInit, OnDestroy {

  constructor(
    private cd: ChangeDetectorRef,
+    private storageService: StorageService,
    private servicesApiService: ServicesApiServices,
    private formBuilder: FormBuilder,
    private stateService: StateService,
@@ -54,17 +56,14 @@ export class FaucetComponent implements OnInit, OnDestroy {
  }

  ngOnInit() {
-    this.servicesApiService.userSubject$.subscribe(user => {
-      this.user = user;
-      if (!user) {
-        this.loading = false;
-        this.cd.markForCheck();
-        return;
-      }
-      // Setup form
-      this.updateFaucetStatus();
-      this.cd.markForCheck();
-    });
+    this.user = this.storageService.getAuth()?.user ?? null;
+    if (!this.user) {
+      this.loading = false;
+      return;
+    }
+
+    // Setup form
+    this.updateFaucetStatus();

    // Track transaction
    this.websocketService.want(['blocks', 'mempool-blocks']);
@@ -146,6 +145,9 @@ export class FaucetComponent implements OnInit, OnDestroy {
      'address': ['', [Validators.required, Validators.pattern(getRegex('address', 'testnet4')), this.getNotFaucetAddressValidator(faucetAddress)]],
      'satoshis': [min, [Validators.required, Validators.min(min), Validators.max(max)]]
    });
+
+    this.loading = false;
+    this.cd.markForCheck();
  }

  updateForm(min, max, faucetAddress: string): void {
@@ -158,8 +160,6 @@ export class FaucetComponent implements OnInit, OnDestroy {
      this.faucetForm.get('satoshis').updateValueAndValidity();
      this.faucetForm.get('satoshis').markAsDirty();
    }
-    this.loading = false;
-    this.cd.markForCheck();
  }

  setAmount(value: number): void {
--- a/frontend/src/app/components/hashrate-chart/hashrate-chart.component.html
+++ b/frontend/src/app/components/hashrate-chart/hashrate-chart.component.html
@@ -5,7 +5,7 @@
  <div *ngIf="widget">
    <div class="pool-distribution" *ngIf="(hashrateObservable$ | async) as hashrates; else loadingStats">
      <div class="item">
-        <h5 class="card-title" i18n="mining.hashrate">Hashrate (1w)</h5>
+        <h5 class="card-title" i18n="mining.hashrate">Hashrate</h5>
        <p class="card-text">
          {{ hashrates.currentHashrate | amountShortener: 1 : 'H/s' }}
        </p>
--- a/frontend/src/app/components/master-page/master-page.component.html
+++ b/frontend/src/app/components/master-page/master-page.component.html
@@ -85,6 +85,7 @@
      <li class="nav-item" routerLinkActive="active" [routerLinkActiveOptions]="{exact: true}" id="btn-home" *ngIf="network.val === '' && stateService.env.ACCELERATOR">
        <a class="nav-link" [routerLink]="['/acceleration' | relativeUrl]" (click)="collapse()">
          <fa-icon [icon]="['fas', 'rocket']" [fixedWidth]="true" i18n-title="master-page.accelerator-dashboard" title="Accelerator Dashboard"></fa-icon>
+          <span class="badge badge-pill badge-warning beta" i18n="beta">beta</span>
        </a>
      </li>
      <li class="nav-item" routerLinkActive="active" [routerLinkActiveOptions]="{exact: true}" id="btn-pools" *ngIf="stateService.env.MINING_DASHBOARD">
--- a/Show More
+++ b/Show More