diff --git a/backend/src/api/mining/mining.ts b/backend/src/api/mining/mining.ts
index 1283a1846..e190492b8 100644
--- a/backend/src/api/mining/mining.ts
+++ b/backend/src/api/mining/mining.ts
@@ -106,6 +106,7 @@ class Mining {
         emptyBlocks: emptyBlocksCount.length > 0 ? emptyBlocksCount[0]['count'] : 0,
         slug: poolInfo.slug,
         avgMatchRate: poolInfo.avgMatchRate !== null ? Math.round(100 * poolInfo.avgMatchRate) / 100 : null,
+        avgFeeDelta: poolInfo.avgFeeDelta,
       };
       poolsStats.push(poolStat);
     });
diff --git a/backend/src/mempool.interfaces.ts b/backend/src/mempool.interfaces.ts
index eaa0cd63f..cc038ecfd 100644
--- a/backend/src/mempool.interfaces.ts
+++ b/backend/src/mempool.interfaces.ts
@@ -19,6 +19,7 @@ export interface PoolInfo {
   blockCount: number;
   slug: string;
   avgMatchRate: number | null;
+  avgFeeDelta: number | null;
 }
 
 export interface PoolStats extends PoolInfo {
diff --git a/backend/src/repositories/PoolsRepository.ts b/backend/src/repositories/PoolsRepository.ts
index 293fd5e39..899712266 100644
--- a/backend/src/repositories/PoolsRepository.ts
+++ b/backend/src/repositories/PoolsRepository.ts
@@ -39,7 +39,8 @@ class PoolsRepository {
           pools.name AS name,
           pools.link AS link,
           slug,
-          AVG(blocks_audits.match_rate) AS avgMatchRate
+          AVG(blocks_audits.match_rate) AS avgMatchRate,
+          AVG((CAST(blocks.fees as SIGNED) - CAST(blocks_audits.expected_fees as SIGNED)) / NULLIF(CAST(blocks_audits.expected_fees as SIGNED), 0)) AS avgFeeDelta
       FROM blocks
       JOIN pools on pools.id = pool_id
       LEFT JOIN blocks_audits ON blocks_audits.height = blocks.height
diff --git a/frontend/src/app/components/blockchain/blockchain.component.html b/frontend/src/app/components/blockchain/blockchain.component.html
index 0c4a1cbb7..2c3f1ad8c 100644
--- a/frontend/src/app/components/blockchain/blockchain.component.html
+++ b/frontend/src/app/components/blockchain/blockchain.component.html
@@ -1,9 +1,9 @@
 <div class="text-center" class="blockchain-wrapper" [class.time-ltr]="timeLtr" [class.ltr-transition]="ltrTransitionEnabled" #container>
-  <div class="position-container" [ngClass]="network ? network : ''">
+  <div class="position-container" [ngClass]="network ? network : ''" [style.--divider-offset]="dividerOffset + 'px'" [style.--mempool-offset]="mempoolOffset + 'px'">
     <span>
       <div class="blocks-wrapper">
         <div class="scroll-spacer" *ngIf="minScrollWidth" [style.left]="minScrollWidth + 'px'"></div>
-        <app-mempool-blocks [hidden]="pageIndex > 0"></app-mempool-blocks>
+        <app-mempool-blocks [hidden]="pageIndex > 0" [allBlocks]="scrollableMempool" (widthChange)="onMempoolWidthChange($event)"></app-mempool-blocks>
         <app-blockchain-blocks [hidden]="pageIndex > 0"></app-blockchain-blocks>
         <ng-container *ngFor="let page of pages; trackBy: trackByPageFn">
           <app-blockchain-blocks [static]="true" [offset]="page.offset" [height]="page.height" [count]="blocksPerPage" [loadingTip]="loadingTip" [connected]="connected"></app-blockchain-blocks>
diff --git a/frontend/src/app/components/blockchain/blockchain.component.scss b/frontend/src/app/components/blockchain/blockchain.component.scss
index 63ca22626..135a8b842 100644
--- a/frontend/src/app/components/blockchain/blockchain.component.scss
+++ b/frontend/src/app/components/blockchain/blockchain.component.scss
@@ -26,43 +26,14 @@
   position: absolute;
   left: 0;
   top: 75px;
-  transform: translateX(50vw);
+  --divider-offset: 50vw;
+  --mempool-offset: 0px;
+  transform: translateX(calc(var(--divider-offset) + var(--mempool-offset)));
 }
 
-.position-container.liquid, .position-container.liquidtestnet {
-  transform: translateX(420px);
-}
-
-@media (min-width: 768px) {
-  .blockchain-wrapper.time-ltr {
-    .position-container.liquid, .position-container.liquidtestnet {
-      transform: translateX(calc(100vw - 420px));
-    }
-  }
-}
-
-@media (max-width: 767.98px) {
-  .blockchain-wrapper {
-    .position-container {
-      transform: translateX(95vw);
-    }
-    .position-container.liquid, .position-container.liquidtestnet {
-      transform: translateX(50vw);
-    }
-    .position-container.loading {
-      transform: translateX(50vw);
-    }
-  }
-  .blockchain-wrapper.time-ltr {
-    .position-container {
-      transform: translateX(5vw);
-    }
-    .position-container.liquid, .position-container.liquidtestnet {
-      transform: translateX(50vw);
-    }
-    .position-container.loading {
-      transform: translateX(50vw);
-    }
+.blockchain-wrapper.time-ltr {
+  .position-container {
+    transform: translateX(calc(100vw - var(--divider-offset) - var(--mempool-offset)));
   }
 }
 
diff --git a/frontend/src/app/components/blockchain/blockchain.component.ts b/frontend/src/app/components/blockchain/blockchain.component.ts
index ab9875a4c..5eb2ed481 100644
--- a/frontend/src/app/components/blockchain/blockchain.component.ts
+++ b/frontend/src/app/components/blockchain/blockchain.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, Input, OnChanges, SimpleChanges } from '@angular/core';
+import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, Input, Output, EventEmitter, HostListener, ChangeDetectorRef } from '@angular/core';
 import { firstValueFrom, Subscription } from 'rxjs';
 import { StateService } from '../../services/state.service';
 
@@ -13,43 +13,95 @@ export class BlockchainComponent implements OnInit, OnDestroy {
   @Input() pageIndex: number;
   @Input() blocksPerPage: number = 8;
   @Input() minScrollWidth: number = 0;
+  @Input() scrollableMempool: boolean = false;
+
+  @Output() mempoolOffsetChange: EventEmitter<number> = new EventEmitter();
 
   network: string;
   timeLtrSubscription: Subscription;
   timeLtr: boolean = this.stateService.timeLtr.value;
   ltrTransitionEnabled = false;
+  flipping = false;
   connectionStateSubscription: Subscription;
   loadingTip: boolean = true;
   connected: boolean = true;
 
+  dividerOffset: number = 0;
+  mempoolOffset: number = 0;
+
   constructor(
     public stateService: StateService,
+    private cd: ChangeDetectorRef,
   ) {}
 
-  ngOnInit() {
+  ngOnInit(): void {
+    this.onResize();
     this.network = this.stateService.network;
     this.timeLtrSubscription = this.stateService.timeLtr.subscribe((ltr) => {
       this.timeLtr = !!ltr;
     });
     this.connectionStateSubscription = this.stateService.connectionState$.subscribe(state => {
       this.connected = (state === 2);
-    })
-    firstValueFrom(this.stateService.chainTip$).then(tip => {
+    });
+    firstValueFrom(this.stateService.chainTip$).then(() => {
       this.loadingTip = false;
     });
   }
 
-  ngOnDestroy() {
+  ngOnDestroy(): void {
     this.timeLtrSubscription.unsubscribe();
     this.connectionStateSubscription.unsubscribe();
   }
 
-  trackByPageFn(index: number, item: { index: number }) {
+  trackByPageFn(index: number, item: { index: number }): number {
     return item.index;
   }
 
-  toggleTimeDirection() {
-    this.ltrTransitionEnabled = true;
-    this.stateService.timeLtr.next(!this.timeLtr);
+  toggleTimeDirection(): void {
+    this.ltrTransitionEnabled = false;
+    const prevOffset = this.mempoolOffset;
+    this.mempoolOffset = 0;
+    this.mempoolOffsetChange.emit(0);
+    setTimeout(() => {
+      this.ltrTransitionEnabled = true;
+      this.flipping = true;
+      this.stateService.timeLtr.next(!this.timeLtr);
+      setTimeout(() => {
+        this.ltrTransitionEnabled = false;
+        this.flipping = false;
+        this.mempoolOffset = prevOffset;
+        this.mempoolOffsetChange.emit(this.mempoolOffset);
+      },  1000);
+    }, 0);
+    this.cd.markForCheck();
+  }
+
+  onMempoolWidthChange(width): void {
+    if (this.flipping) {
+      return;
+    }
+    this.mempoolOffset = Math.max(0, width - this.dividerOffset);
+    this.cd.markForCheck();
+    setTimeout(() => {
+      this.mempoolOffsetChange.emit(this.mempoolOffset);
+    }, 0);
+  }
+
+  @HostListener('window:resize', ['$event'])
+  onResize(): void {
+    if (window.innerWidth >= 768) {
+      if (this.stateService.isLiquid()) {
+        this.dividerOffset = 420;
+      } else {
+        this.dividerOffset = window.innerWidth * 0.5;
+      }
+    } else {
+      if (this.stateService.isLiquid()) {
+        this.dividerOffset = window.innerWidth * 0.5;
+      } else {
+        this.dividerOffset = window.innerWidth * 0.95;
+      }
+    }
+    this.cd.markForCheck();
   }
 }
diff --git a/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts b/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
index a72d24899..bc3633be0 100644
--- a/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
+++ b/frontend/src/app/components/mempool-blocks/mempool-blocks.component.ts
@@ -1,9 +1,9 @@
-import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, ChangeDetectorRef, HostListener, Input, OnChanges, SimpleChanges } from '@angular/core';
+import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, ChangeDetectorRef, HostListener, Input, OnChanges, SimpleChanges, Output, EventEmitter } from '@angular/core';
 import { Subscription, Observable, fromEvent, merge, of, combineLatest } from 'rxjs';
 import { MempoolBlock } from '../../interfaces/websocket.interface';
 import { StateService } from '../../services/state.service';
 import { Router } from '@angular/router';
-import { take, map, switchMap } from 'rxjs/operators';
+import { take, map, switchMap, tap } from 'rxjs/operators';
 import { feeLevels, mempoolFeeColors } from '../../app.constants';
 import { specialBlocks } from '../../app.constants';
 import { RelativeUrlPipe } from '../../shared/pipes/relative-url/relative-url.pipe';
@@ -29,6 +29,9 @@ export class MempoolBlocksComponent implements OnInit, OnChanges, OnDestroy {
   @Input() count: number = null;
   @Input() spotlight: number = 0;
   @Input() getHref?: (index) => string = (index) => `/mempool-block/${index}`;
+  @Input() allBlocks: boolean = false;
+
+  @Output() widthChange: EventEmitter<number> = new EventEmitter();
 
   specialBlocks = specialBlocks;
   mempoolBlocks: MempoolBlock[] = [];
@@ -147,7 +150,12 @@ export class MempoolBlocksComponent implements OnInit, OnChanges, OnDestroy {
 
           this.updateMempoolBlockStyles();
           this.calculateTransactionPosition();
+ 
           return this.mempoolBlocks;
+        }),
+        tap(() => {
+          this.cd.markForCheck();
+          this.widthChange.emit(this.containerOffset + this.mempoolBlocks.length * this.blockOffset);
         })
       );
 
@@ -257,7 +265,10 @@ export class MempoolBlocksComponent implements OnInit, OnChanges, OnDestroy {
 
   reduceEmptyBlocksToFitScreen(blocks: MempoolBlock[]): MempoolBlock[] {
     const innerWidth = this.stateService.env.BASE_MODULE !== 'liquid' && window.innerWidth <= 767.98 ? window.innerWidth : window.innerWidth / 2;
-    const blocksAmount = Math.min(this.stateService.env.MEMPOOL_BLOCKS_AMOUNT, Math.floor(innerWidth / (this.blockWidth + this.blockPadding)));
+    let blocksAmount = this.stateService.env.MEMPOOL_BLOCKS_AMOUNT;
+    if (!this.allBlocks) {
+      blocksAmount = Math.min(this.stateService.env.MEMPOOL_BLOCKS_AMOUNT, Math.floor(innerWidth / (this.blockWidth + this.blockPadding)));
+    }
     while (blocks.length < blocksAmount) {
       blocks.push({
         blockSize: 0,
@@ -277,10 +288,10 @@ export class MempoolBlocksComponent implements OnInit, OnChanges, OnDestroy {
 
   reduceMempoolBlocksToFitScreen(blocks: MempoolBlock[]): MempoolBlock[] {
     const innerWidth = this.stateService.env.BASE_MODULE !== 'liquid' && window.innerWidth <= 767.98 ? window.innerWidth : window.innerWidth / 2;
-    let blocksAmount;
+    let blocksAmount = this.stateService.env.MEMPOOL_BLOCKS_AMOUNT;
     if (this.count) {
       blocksAmount = 8;
-    } else {
+    } else if (!this.allBlocks) {
       blocksAmount = Math.min(this.stateService.env.MEMPOOL_BLOCKS_AMOUNT, Math.floor(innerWidth / (this.blockWidth + this.blockPadding)));
     }
     while (blocks.length > blocksAmount) {
diff --git a/frontend/src/app/components/pool-ranking/pool-ranking.component.html b/frontend/src/app/components/pool-ranking/pool-ranking.component.html
index 7b7fbfae0..6ffcbf485 100644
--- a/frontend/src/app/components/pool-ranking/pool-ranking.component.html
+++ b/frontend/src/app/components/pool-ranking/pool-ranking.component.html
@@ -94,7 +94,8 @@
           <th class="" i18n="master-page.blocks">Blocks</th>
           <th *ngIf="auditAvailable" class="health text-right widget" i18n="latest-blocks.avg_health"
             i18n-ngbTooltip="latest-blocks.avg_health" ngbTooltip="Avg Health" placement="bottom" #health [disableTooltip]="!isEllipsisActive(health)">Avg Health</th>
-          <th class="d-none d-md-table-cell" i18n="mining.empty-blocks">Empty blocks</th>
+          <th *ngIf="auditAvailable" class="d-none d-sm-table-cell" i18n="mining.fees-per-block">Avg Block Fees</th>
+          <th class="d-none d-lg-table-cell" i18n="mining.empty-blocks">Empty blocks</th>
         </tr>
       </thead>
       <tbody [attr.data-cy]="'pools-table'" *ngIf="(miningStatsObservable$ | async) as miningStats">
@@ -121,7 +122,15 @@
               <span class="health-badge badge badge-secondary" i18n="unknown">Unknown</span>
             </ng-template>
           </td>
-          <td class="d-none d-md-table-cell">{{ pool.emptyBlocks }} ({{ pool.emptyBlockRatio }}%)</td>
+          <td *ngIf="auditAvailable" class="d-none d-sm-table-cell">
+            <span *ngIf="pool.avgFeeDelta != null; else nullFeeDelta" class="difference" [class.positive]="pool.avgFeeDelta >= 0" [class.negative]="pool.avgFeeDelta < 0">
+              {{ pool.avgFeeDelta > 0 ? '+' : '' }}{{ (pool.avgFeeDelta * 100) | amountShortener: 2 }}%
+            </span>
+            <ng-template #nullFeeDelta>
+              -
+            </ng-template>
+          </td>        
+          <td class="d-none d-lg-table-cell">{{ pool.emptyBlocks }} ({{ pool.emptyBlockRatio }}%)</td>
         </tr>
         <tr style="border-top: 1px solid #555">
           <td class="d-none d-md-table-cell"></td>
diff --git a/frontend/src/app/components/pool-ranking/pool-ranking.component.scss b/frontend/src/app/components/pool-ranking/pool-ranking.component.scss
index fc58909f8..b82264503 100644
--- a/frontend/src/app/components/pool-ranking/pool-ranking.component.scss
+++ b/frontend/src/app/components/pool-ranking/pool-ranking.component.scss
@@ -110,4 +110,15 @@
 .disabled {
   pointer-events: none;
   opacity: 0.5;
-}
\ No newline at end of file
+}
+
+td {
+  .difference {
+    &.positive {
+      color: rgb(66, 183, 71);
+    }
+    &.negative {
+      color: rgb(183, 66, 66);
+    }
+  }
+}
diff --git a/frontend/src/app/components/start/start.component.html b/frontend/src/app/components/start/start.component.html
index ec4bf4805..5cf7b4fd9 100644
--- a/frontend/src/app/components/start/start.component.html
+++ b/frontend/src/app/components/start/start.component.html
@@ -18,7 +18,7 @@
     (dragstart)="onDragStart($event)"
     (scroll)="onScroll($event)"
   >
-    <app-blockchain [pageIndex]="pageIndex" [pages]="pages" [blocksPerPage]="blocksPerPage" [minScrollWidth]="minScrollWidth"></app-blockchain>
+    <app-blockchain [pageIndex]="pageIndex" [pages]="pages" [blocksPerPage]="blocksPerPage" [minScrollWidth]="minScrollWidth" [scrollableMempool]="true" (mempoolOffsetChange)="onMempoolOffsetChange($event)"></app-blockchain>
   </div>
   <div class="reset-scroll" [class.hidden]="pageIndex === 0" (click)="resetScroll()">
     <fa-icon [icon]="['fas', 'circle-left']" [fixedWidth]="true"></fa-icon>
diff --git a/frontend/src/app/components/start/start.component.ts b/frontend/src/app/components/start/start.component.ts
index 3bd0c086e..22d3d6350 100644
--- a/frontend/src/app/components/start/start.component.ts
+++ b/frontend/src/app/components/start/start.component.ts
@@ -1,6 +1,6 @@
 import { Component, ElementRef, HostListener, OnInit, OnDestroy, ViewChild, Input } from '@angular/core';
 import { Subscription } from 'rxjs';
-import { StateService } from '../../services/state.service';
+import { MarkBlockState, StateService } from '../../services/state.service';
 import { specialBlocks } from '../../app.constants';
 
 @Component({
@@ -24,6 +24,7 @@ export class StartComponent implements OnInit, OnDestroy {
   chainTipSubscription: Subscription;
   chainTip: number = -1;
   tipIsSet: boolean = false;
+  lastMark: MarkBlockState;
   markBlockSubscription: Subscription;
   blockCounterSubscription: Subscription;
   @ViewChild('blockchainContainer') blockchainContainer: ElementRef;
@@ -40,10 +41,11 @@ export class StartComponent implements OnInit, OnDestroy {
   minScrollWidth: number;
   pageIndex: number = 0;
   pages: any[] = [];
-  pendingMark: number | void = null;
+  pendingMark: number | null = null;
   lastUpdate: number = 0;
   lastMouseX: number;
   velocity: number = 0;
+  mempoolOffset: number = 0;
 
   constructor(
     private stateService: StateService,
@@ -70,19 +72,40 @@ export class StartComponent implements OnInit, OnDestroy {
       this.chainTip = height;
       this.tipIsSet = true;
       this.updatePages();
-      if (this.pendingMark != null) {
-        this.scrollToBlock(this.pendingMark);
-        this.pendingMark = null;
-      }
+      this.applyPendingMarkArrow();
     });
     this.markBlockSubscription = this.stateService.markBlock$.subscribe((mark) => {
+      let blockHeight;
+      let newMark = true;
       if (mark?.blockHeight != null) {
+        if (this.lastMark?.blockHeight === mark.blockHeight) {
+          newMark = false;
+        }
+        blockHeight = mark.blockHeight;
+      } else if (mark?.mempoolBlockIndex != null) {
+        if (this.lastMark?.mempoolBlockIndex === mark.mempoolBlockIndex || (mark.txid && this.lastMark?.txid === mark.txid)) {
+          newMark = false;
+        }
+        blockHeight = -1 - mark.mempoolBlockIndex;
+      } else if (mark?.mempoolPosition?.block != null) {
+        if (this.lastMark?.txid === mark.txid) {
+          newMark = false;
+        }
+        blockHeight = -1 - mark.mempoolPosition.block;
+      }
+      this.lastMark = mark;
+      if (blockHeight != null) {
         if (this.tipIsSet) {
-          if (!this.blockInViewport(mark.blockHeight)) {
-            this.scrollToBlock(mark.blockHeight);
+          let scrollToHeight = blockHeight;
+          if (blockHeight < 0) {
+            scrollToHeight = this.chainTip - blockHeight;
           }
-        } else {
-          this.pendingMark = mark.blockHeight;
+          if (newMark && !this.blockInViewport(scrollToHeight)) {
+            this.scrollToBlock(scrollToHeight);
+          }
+        }
+        if (!this.tipIsSet || (blockHeight < 0 && !this.mempoolOffset)) {
+          this.pendingMark = blockHeight;
         }
       }
     });
@@ -117,6 +140,24 @@ export class StartComponent implements OnInit, OnDestroy {
     });
   }
 
+  onMempoolOffsetChange(offset): void {
+    const delta = offset - this.mempoolOffset;
+    this.addConvertedScrollOffset(delta);
+    this.mempoolOffset = offset;
+    this.applyPendingMarkArrow();
+  }
+
+  applyPendingMarkArrow(): void {
+    if (this.pendingMark != null) {
+      if (this.pendingMark < 0) {
+        this.scrollToBlock(this.chainTip - this.pendingMark);
+      } else {
+        this.scrollToBlock(this.pendingMark);
+      }
+      this.pendingMark = null;
+    }
+  }
+
   @HostListener('window:resize', ['$event'])
   onResize(): void {
     this.isMobile = window.innerWidth <= 767.98;
@@ -350,7 +391,7 @@ export class StartComponent implements OnInit, OnDestroy {
 
   resetScroll(): void {
     this.scrollToBlock(this.chainTip);
-    this.blockchainContainer.nativeElement.scrollLeft = 0;
+    this.setScrollLeft(0);
   }
 
   getPageIndexOf(height: number): number {
@@ -368,9 +409,17 @@ export class StartComponent implements OnInit, OnDestroy {
 
   getConvertedScrollOffset(): number {
     if (this.timeLtr) {
-      return -this.blockchainContainer?.nativeElement?.scrollLeft || 0;
+      return -(this.blockchainContainer?.nativeElement?.scrollLeft || 0) - this.mempoolOffset;
     } else {
-      return this.blockchainContainer?.nativeElement?.scrollLeft || 0;
+      return (this.blockchainContainer?.nativeElement?.scrollLeft || 0) - this.mempoolOffset;
+    }
+  }
+
+  setScrollLeft(offset: number): void {
+    if (this.timeLtr) {
+      this.blockchainContainer.nativeElement.scrollLeft = offset - this.mempoolOffset;
+    } else {
+      this.blockchainContainer.nativeElement.scrollLeft = offset + this.mempoolOffset;
     }
   }
 
@@ -388,7 +437,7 @@ export class StartComponent implements OnInit, OnDestroy {
   ngOnDestroy() {
     if (this.blockchainContainer?.nativeElement) {
       // clean up scroll position to prevent caching wrong scroll in Firefox
-      this.blockchainContainer.nativeElement.scrollLeft = 0;
+      this.setScrollLeft(0);
     }
     this.timeLtrSubscription.unsubscribe();
     this.chainTipSubscription.unsubscribe();
diff --git a/frontend/src/app/components/transaction/transaction.component.ts b/frontend/src/app/components/transaction/transaction.component.ts
index e7fbaa913..bbf679dcf 100644
--- a/frontend/src/app/components/transaction/transaction.component.ts
+++ b/frontend/src/app/components/transaction/transaction.component.ts
@@ -241,6 +241,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
         this.mempoolPosition = txPosition.position;
         if (this.tx && !this.tx.status.confirmed) {
           this.stateService.markBlock$.next({
+            txid: txPosition.txid,
             mempoolPosition: this.mempoolPosition
           });
           this.txInBlockIndex = this.mempoolPosition.block;
@@ -360,6 +361,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
           } else {
             if (tx.cpfpChecked) {
               this.stateService.markBlock$.next({
+                txid: tx.txid,
                 txFeePerVSize: tx.effectiveFeePerVsize,
                 mempoolPosition: this.mempoolPosition,
               });
diff --git a/frontend/src/app/interfaces/node-api.interface.ts b/frontend/src/app/interfaces/node-api.interface.ts
index 648eb38ea..68c45b3b2 100644
--- a/frontend/src/app/interfaces/node-api.interface.ts
+++ b/frontend/src/app/interfaces/node-api.interface.ts
@@ -91,6 +91,7 @@ export interface SinglePoolStats {
   logo: string;
   slug: string;
   avgMatchRate: number;
+  avgFeeDelta: number;
 }
 export interface PoolsStats {
   blockCount: number;
diff --git a/frontend/src/app/services/state.service.ts b/frontend/src/app/services/state.service.ts
index fb3b37e05..738893bbc 100644
--- a/frontend/src/app/services/state.service.ts
+++ b/frontend/src/app/services/state.service.ts
@@ -8,8 +8,9 @@ import { isPlatformBrowser } from '@angular/common';
 import { map, scan, shareReplay, tap } from 'rxjs/operators';
 import { StorageService } from './storage.service';
 
-interface MarkBlockState {
+export interface MarkBlockState {
   blockHeight?: number;
+  txid?: string;
   mempoolBlockIndex?: number;
   txFeePerVSize?: number;
   mempoolPosition?: MempoolPosition;
diff --git a/production/install b/production/install
index 8f3491591..5ee445a21 100755
--- a/production/install
+++ b/production/install
@@ -361,10 +361,10 @@ BITCOIN_ELECTRS_REPO_NAME=electrs
 BITCOIN_ELECTRS_REPO_BRANCH=mempool
 BITCOIN_ELECTRS_LATEST_RELEASE=mempool
 
-ELEMENTS_ELECTRS_REPO_URL=https://github.com/blockstream/electrs
+ELEMENTS_ELECTRS_REPO_URL=https://github.com/mempool/electrs
 ELEMENTS_ELECTRS_REPO_NAME=electrs
-ELEMENTS_ELECTRS_REPO_BRANCH=new-index
-ELEMENTS_ELECTRS_LATEST_RELEASE=new-index
+ELEMENTS_ELECTRS_REPO_BRANCH=mempool
+ELEMENTS_ELECTRS_LATEST_RELEASE=mempool
 
 LIQUID_ASSET_REGISTRY_DB_URL=https://github.com/blockstream/asset_registry_db
 LIQUID_ASSET_REGISTRY_DB_NAME=asset_registry_db