diff --git a/backend/src/api/database-migration.ts b/backend/src/api/database-migration.ts
index 42cf5ee9f..7b56ce361 100644
--- 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 = 53;
+  private static currentVersion = 54;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -470,6 +470,11 @@ class DatabaseMigration {
     }
 
     if (databaseSchemaVersion < 53) {
+      await this.$executeQuery('ALTER TABLE statistics MODIFY mempool_byte_weight bigint(20) UNSIGNED NOT NULL');
+      await this.updateToSchemaVersion(53);
+    }
+
+    if (databaseSchemaVersion < 54) {
       this.uniqueLog(logger.notice, `'prices' table has been truncated`);
       this.uniqueLog(logger.notice, `'blocks_prices' table has been truncated`);
       await this.$executeQuery(`TRUNCATE prices`);
diff --git a/backend/src/api/explorer/nodes.api.ts b/backend/src/api/explorer/nodes.api.ts
index d292aa2e3..b3f83faa6 100644
--- a/backend/src/api/explorer/nodes.api.ts
+++ b/backend/src/api/explorer/nodes.api.ts
@@ -362,7 +362,13 @@ class NodesApi {
   public async $searchNodeByPublicKeyOrAlias(search: string) {
     try {
       const publicKeySearch = search.replace('%', '') + '%';
-      const aliasSearch = search.replace(/[-_.]/g, ' ').replace(/[^a-zA-Z0-9 ]/g, '').split(' ').map((search) => '+' + search + '*').join(' ');
+      const aliasSearch = search
+        .replace(/[-_.]/g, ' ') // Replace all -_. characters with empty space. Eg: "ln.nicehash" becomes "ln nicehash".  
+        .replace(/[^a-zA-Z0-9 ]/g, '') // Remove all special characters and keep just A to Z, 0 to 9.
+        .split(' ')
+        .filter(key => key.length)
+        .map((search) => '+' + search + '*').join(' ');
+      // %keyword% is wildcard search and can't be indexed so it's slower as the node database grow. keyword% can be indexed but then you can't search for "Nicehash" and get result for ln.nicehash.com. So we use fulltext index for words "ln, nicehash, com" and nicehash* will find it instantly.
       const query = `SELECT public_key, alias, capacity, channels, status FROM nodes WHERE public_key LIKE ? OR MATCH alias_search AGAINST (? IN BOOLEAN MODE) ORDER BY capacity DESC LIMIT 10`;
       const [rows]: any = await DB.query(query, [publicKeySearch, aliasSearch]);
       return rows;
diff --git a/frontend/src/app/app.constants.ts b/frontend/src/app/app.constants.ts
index 8a954166e..779eab62e 100644
--- a/frontend/src/app/app.constants.ts
+++ b/frontend/src/app/app.constants.ts
@@ -72,7 +72,7 @@ export const chartColors = [
 ];
 
 export const poolsColor = {
-  'unknown': '#9C9C9C',
+  'unknown': '#FDD835',
 };
 
 export const feeLevels = [1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200,
diff --git a/frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.ts b/frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.ts
index df7780fee..e7e3685d3 100644
--- a/frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.ts
+++ b/frontend/src/app/components/hashrates-chart-pools/hashrate-chart-pools.component.ts
@@ -173,7 +173,7 @@ export class HashrateChartPoolsComponent implements OnInit {
     this.chartOptions = {
       title: title,
       animation: false,
-      color: chartColors,
+      color: chartColors.filter(color => color !== '#FDD835'),
       grid: {
         right: this.right,
         left: this.left,
diff --git a/frontend/src/app/components/pool-ranking/pool-ranking.component.ts b/frontend/src/app/components/pool-ranking/pool-ranking.component.ts
index 8284d81da..a3f23c031 100644
--- a/frontend/src/app/components/pool-ranking/pool-ranking.component.ts
+++ b/frontend/src/app/components/pool-ranking/pool-ranking.component.ts
@@ -4,7 +4,6 @@ import { ActivatedRoute, Router } from '@angular/router';
 import { EChartsOption, PieSeriesOption } from 'echarts';
 import { concat, Observable } from 'rxjs';
 import { map, share, startWith, switchMap, tap } from 'rxjs/operators';
-import { SinglePoolStats } from '../../interfaces/node-api.interface';
 import { SeoService } from '../../services/seo.service';
 import { StorageService } from '../..//services/storage.service';
 import { MiningService, MiningStats } from '../../services/mining.service';
@@ -220,7 +219,7 @@ export class PoolRankingComponent implements OnInit {
 
     this.chartOptions = {
       animation: false,
-      color: chartColors,
+      color: chartColors.filter(color => color !== '#FDD835'),
       tooltip: {
         trigger: 'item',
         textStyle: {