diff --git a/backend/mempool-config.sample.json b/backend/mempool-config.sample.json
index 781f90698..0f265047f 100644
--- a/backend/mempool-config.sample.json
+++ b/backend/mempool-config.sample.json
@@ -9,7 +9,9 @@
     "CACHE_DIR": "./cache",
     "CLEAR_PROTECTION_MINUTES": 20,
     "RECOMMENDED_FEE_PERCENTILE": 50,
-    "BLOCK_WEIGHT_UNITS": 4000000
+    "BLOCK_WEIGHT_UNITS": 4000000,
+    "INITIAL_BLOCKS_AMOUNT": 8,
+    "MEMPOOL_BLOCKS_AMOUNT": 8
   },
   "CORE_RPC": {
     "HOST": "127.0.0.1",
diff --git a/backend/src/api/blocks.ts b/backend/src/api/blocks.ts
index fbfcc2828..32ad325ac 100644
--- a/backend/src/api/blocks.ts
+++ b/backend/src/api/blocks.ts
@@ -8,7 +8,6 @@ import diskCache from './disk-cache';
 import transactionUtils from './transaction-utils';
 
 class Blocks {
-  private static INITIAL_BLOCK_AMOUNT = 8;
   private blocks: BlockExtended[] = [];
   private currentBlockHeight = 0;
   private currentDifficulty = 0;
@@ -34,14 +33,14 @@ class Blocks {
     const blockHeightTip = await bitcoinApi.$getBlockHeightTip();
 
     if (this.blocks.length === 0) {
-      this.currentBlockHeight = blockHeightTip - Blocks.INITIAL_BLOCK_AMOUNT;
+      this.currentBlockHeight = blockHeightTip - config.MEMPOOL.INITIAL_BLOCKS_AMOUNT;
     } else {
       this.currentBlockHeight = this.blocks[this.blocks.length - 1].height;
     }
 
-    if (blockHeightTip - this.currentBlockHeight > Blocks.INITIAL_BLOCK_AMOUNT * 2) {
-      logger.info(`${blockHeightTip - this.currentBlockHeight} blocks since tip. Fast forwarding to the ${Blocks.INITIAL_BLOCK_AMOUNT} recent blocks`);
-      this.currentBlockHeight = blockHeightTip - Blocks.INITIAL_BLOCK_AMOUNT;
+    if (blockHeightTip - this.currentBlockHeight > config.MEMPOOL.INITIAL_BLOCKS_AMOUNT * 2) {
+      logger.info(`${blockHeightTip - this.currentBlockHeight} blocks since tip. Fast forwarding to the ${config.MEMPOOL.INITIAL_BLOCKS_AMOUNT} recent blocks`);
+      this.currentBlockHeight = blockHeightTip - config.MEMPOOL.INITIAL_BLOCKS_AMOUNT;
     }
 
     if (!this.lastDifficultyAdjustmentTime) {
@@ -114,8 +113,8 @@ class Blocks {
       }
 
       this.blocks.push(blockExtended);
-      if (this.blocks.length > Blocks.INITIAL_BLOCK_AMOUNT * 4) {
-        this.blocks = this.blocks.slice(-Blocks.INITIAL_BLOCK_AMOUNT * 4);
+      if (this.blocks.length > config.MEMPOOL.INITIAL_BLOCKS_AMOUNT * 4) {
+        this.blocks = this.blocks.slice(-config.MEMPOOL.INITIAL_BLOCKS_AMOUNT * 4);
       }
 
       if (this.newBlockCallbacks.length) {
diff --git a/backend/src/api/mempool-blocks.ts b/backend/src/api/mempool-blocks.ts
index 592da2877..1550298a7 100644
--- a/backend/src/api/mempool-blocks.ts
+++ b/backend/src/api/mempool-blocks.ts
@@ -4,7 +4,6 @@ import { Common } from './common';
 import config from '../config';
 
 class MempoolBlocks {
-  private static DEFAULT_PROJECTED_BLOCKS_AMOUNT = 8;
   private mempoolBlocks: MempoolBlockWithTransactions[] = [];
 
   constructor() {}
@@ -76,7 +75,7 @@ class MempoolBlocks {
     let blockSize = 0;
     let transactions: TransactionExtended[] = [];
     transactionsSorted.forEach((tx) => {
-      if (blockVSize + tx.weight <= config.MEMPOOL.BLOCK_WEIGHT_UNITS || mempoolBlocks.length === MempoolBlocks.DEFAULT_PROJECTED_BLOCKS_AMOUNT - 1) {
+      if (blockVSize + tx.weight <= config.MEMPOOL.BLOCK_WEIGHT_UNITS || mempoolBlocks.length === config.MEMPOOL.MEMPOOL_BLOCKS_AMOUNT - 1) {
         blockVSize += tx.vsize;
         blockSize += tx.size;
         transactions.push(tx);
diff --git a/backend/src/api/websocket-handler.ts b/backend/src/api/websocket-handler.ts
index eb2b90ccc..9a758f731 100644
--- a/backend/src/api/websocket-handler.ts
+++ b/backend/src/api/websocket-handler.ts
@@ -90,7 +90,7 @@ class WebsocketHandler {
           }
 
           if (parsedMessage.action === 'init') {
-            const _blocks = blocks.getBlocks().slice(-8);
+            const _blocks = blocks.getBlocks().slice(-config.MEMPOOL.INITIAL_BLOCKS_AMOUNT);
             if (!_blocks) {
               return;
             }
@@ -166,7 +166,7 @@ class WebsocketHandler {
 
   getInitData(_blocks?: BlockExtended[]) {
     if (!_blocks) {
-      _blocks = blocks.getBlocks().slice(-8);
+      _blocks = blocks.getBlocks().slice(-config.MEMPOOL.INITIAL_BLOCKS_AMOUNT);
     }
     return {
       'mempoolInfo': memPool.getMempoolInfo(),
diff --git a/backend/src/config.ts b/backend/src/config.ts
index ee811979c..399beff60 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -12,6 +12,8 @@ interface IConfig {
     CLEAR_PROTECTION_MINUTES: number;
     RECOMMENDED_FEE_PERCENTILE: number;
     BLOCK_WEIGHT_UNITS: number;
+    INITIAL_BLOCKS_AMOUNT: number;
+    MEMPOOL_BLOCKS_AMOUNT: number;
   };
   ESPLORA: {
     REST_API_URL: string;
@@ -71,6 +73,8 @@ const defaults: IConfig = {
     'CLEAR_PROTECTION_MINUTES': 20,
     'RECOMMENDED_FEE_PERCENTILE': 50,
     'BLOCK_WEIGHT_UNITS': 4000000,
+    'INITIAL_BLOCKS_AMOUNT': 8,
+    'MEMPOOL_BLOCKS_AMOUNT': 8,
   },
   'ESPLORA': {
     'REST_API_URL': 'http://127.0.0.1:3000',
diff --git a/frontend/mempool-frontend-config.sample.json b/frontend/mempool-frontend-config.sample.json
index a5c9d1c07..80e8ae4cb 100644
--- a/frontend/mempool-frontend-config.sample.json
+++ b/frontend/mempool-frontend-config.sample.json
@@ -9,6 +9,7 @@
   "NGINX_PROTOCOL": "http",
   "NGINX_HOSTNAME": "127.0.0.1",
   "NGINX_PORT": "80",
+  "MEMPOOL_BLOCKS_AMOUNT": 8,
   "BLOCK_WEIGHT_UNITS": 4000000,
   "BASE_MODULE": "mempool"
 }
diff --git a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.ts b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.ts
index 9af5d9e4c..e227cb8cd 100644
--- a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.ts
+++ b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.ts
@@ -183,7 +183,7 @@ export class BlockchainBlocksComponent implements OnInit, OnDestroy {
   }
   mountEmptyBlocks() {
     const emptyBlocks = [];
-    for (let i = 0; i < 9; i++) {
+    for (let i = 0; i < this.stateService.env.KEEP_BLOCKS_AMOUNT; i++) {
       emptyBlocks.push({
         id: '',
         height: 0,
diff --git a/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts b/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
index 607bcce61..da94d59a6 100644
--- a/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
+++ b/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
@@ -144,7 +144,7 @@ export class MempoolBlocksComponent implements OnInit, OnDestroy {
           this.router.navigate([(this.network ? '/' + this.network : '') + '/mempool-block/', this.markIndex - 1]);
         } else {
           this.stateService.blocks$
-            .pipe(take(8))
+            .pipe(take(this.stateService.env.MEMPOOL_BLOCKS_AMOUNT))
             .subscribe(([block]) => {
               if (this.stateService.latestBlockHeight === block.height) {
                 this.router.navigate([(this.network ? '/' + this.network : '') + '/block/', block.id], { state: { data: { block } }});
@@ -275,8 +275,8 @@ export class MempoolBlocksComponent implements OnInit, OnDestroy {
 
   mountEmptyBlocks() {
     const emptyBlocks = [];
-    const numberOfBlocks = 8;
-    for (let i = 0; i <= numberOfBlocks; i++) {
+    const numberOfBlocks = this.stateService.env.MEMPOOL_BLOCKS_AMOUNT;
+    for (let i = 0; i < numberOfBlocks; i++) {
       emptyBlocks.push({
         blockSize: 0,
         blockVSize: 0,
diff --git a/frontend/src/app/services/state.service.ts b/frontend/src/app/services/state.service.ts
index 00934ba5f..20b28f2e5 100644
--- a/frontend/src/app/services/state.service.ts
+++ b/frontend/src/app/services/state.service.ts
@@ -29,6 +29,7 @@ export interface Env {
   NGINX_HOSTNAME?: string;
   NGINX_PORT?: string;
   BLOCK_WEIGHT_UNITS: number;
+  MEMPOOL_BLOCKS_AMOUNT: number;
   GIT_COMMIT_HASH: string;
   PACKAGE_JSON_VERSION: string;
 }
@@ -47,6 +48,7 @@ const defaultEnv: Env = {
   'NGINX_HOSTNAME': '127.0.0.1',
   'NGINX_PORT': '80',
   'BLOCK_WEIGHT_UNITS': 4000000,
+  'MEMPOOL_BLOCKS_AMOUNT': 8,
   'GIT_COMMIT_HASH': '',
   'PACKAGE_JSON_VERSION': '',
 };