diff --git a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html
index 29df378a4..17c5709fd 100644
--- a/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html
+++ b/frontend/src/app/components/blockchain-blocks/blockchain-blocks.component.html
@@ -1,64 +1,86 @@
-<div class="blocks-container blockchain-blocks-container" [class.time-ltr]="timeLtr" [style.left]="static ? (offset || 0) + 'px' : null" *ngIf="(loadingBlocks$ | async) === false; else loadingBlocksTemplate">
+<div class="blocks-container blockchain-blocks-container" [class.time-ltr]="timeLtr"
+  [style.left]="static ? (offset || 0) + 'px' : null"
+  *ngIf="(loadingBlocks$ | async) === false; else loadingBlocksTemplate">
   <div *ngFor="let block of blocks; let i = index; trackBy: trackByBlocksFn">
     <ng-container *ngIf="block && !block.loading && !block.placeholder; else placeholderBlock">
-      <div [attr.data-cy]="'bitcoin-block-' + i" class="text-center bitcoin-block mined-block blockchain-blocks-{{ i }}" id="bitcoin-block-{{ block.height }}" [ngStyle]="blockStyles[i]" [class.blink-bg]="(specialBlocks[block.height] !== undefined)">
+      <div [attr.data-cy]="'bitcoin-block-offset-' + offset + '-index-' + i"
+        class="text-center bitcoin-block mined-block blockchain-blocks-offset-{{ offset }}-index-{{ i }}"
+        id="bitcoin-block-{{ block.height }}" [ngStyle]="blockStyles[i]"
+        [class.blink-bg]="(specialBlocks[block.height] !== undefined)">
         <a draggable="false" [routerLink]="['/block/' | relativeUrl, block.id]" [state]="{ data: { block: block } }"
           class="blockLink" [ngClass]="{'disabled': (this.stateService.blockScrolling$ | async)}">&nbsp;</a>
         <div [attr.data-cy]="'bitcoin-block-' + i + '-height'" class="block-height">
-          <a [routerLink]="['/block/' | relativeUrl, block.id]" [state]="{ data: { block: block } }">{{ block.height }}</a>
+          <a [routerLink]="['/block/' | relativeUrl, block.id]" [state]="{ data: { block: block } }">{{ block.height
+            }}</a>
         </div>
         <div class="block-body">
-          <div [attr.data-cy]="'bitcoin-block-' + i + '-fees'" class="fees">
-            ~{{ block?.extras?.medianFee | number:feeRounding }} <ng-container i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container>
+          <div [attr.data-cy]="'bitcoin-block-offset=' + offset + '-index-' + i + '-fees'" class="fees">
+            ~{{ block?.extras?.medianFee | number:feeRounding }} <ng-container
+              i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container>
           </div>
-          <div [attr.data-cy]="'bitcoin-block-' + i + '-fee-span'" class="fee-span" *ngIf="block?.extras?.feeRange">
-            {{ block?.extras?.feeRange?.[1] | number:feeRounding }} - {{ block?.extras?.feeRange[block?.extras?.feeRange?.length - 1] | number:feeRounding }} <ng-container i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container>
+          <div [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-fee-span'" class="fee-span"
+            *ngIf="block?.extras?.feeRange">
+            {{ block?.extras?.feeRange?.[1] | number:feeRounding }} - {{
+            block?.extras?.feeRange[block?.extras?.feeRange?.length - 1] | number:feeRounding }} <ng-container
+              i18n="shared.sat-vbyte|sat/vB">sat/vB</ng-container>
           </div>
-          <div [attr.data-cy]="'bitcoin-block-' + i + '-fee-span'" class="fee-span" *ngIf="!block?.extras?.feeRange">
+          <div [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-fee-span'" class="fee-span"
+            *ngIf="!block?.extras?.feeRange">
             &nbsp;
           </div>
-          <div [attr.data-cy]="'bitcoin-block-' + i + '-total-fees'" *ngIf="showMiningInfo" class="block-size">
+          <div [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-total-fees'" *ngIf="showMiningInfo"
+            class="block-size">
             <app-amount [satoshis]="block.extras?.totalFees ?? 0" digitsInfo="1.2-3" [noFiat]="true"></app-amount>
           </div>
-          <div [attr.data-cy]="'bitcoin-block-' + i + 'block-size'" *ngIf="!showMiningInfo" class="block-size" [innerHTML]="'&lrm;' + (block.size | bytes: 2)"></div>
+          <div [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + 'block-size'" *ngIf="!showMiningInfo"
+            class="block-size" [innerHTML]="'&lrm;' + (block.size | bytes: 2)"></div>
           <div [attr.data-cy]="'bitcoin-block-' + i + '-transactions'" class="transaction-count">
-            <ng-container *ngTemplateOutlet="block.tx_count === 1 ? transactionsSingular : transactionsPlural; context: {$implicit: block.tx_count | number}"></ng-container>
-            <ng-template #transactionsSingular let-i i18n="shared.transaction-count.singular">{{ i }} transaction</ng-template>
-            <ng-template #transactionsPlural let-i i18n="shared.transaction-count.plural">{{ i }} transactions</ng-template>
+            <ng-container
+              *ngTemplateOutlet="block.tx_count === 1 ? transactionsSingular : transactionsPlural; context: {$implicit: block.tx_count | number}"></ng-container>
+            <ng-template #transactionsSingular let-i i18n="shared.transaction-count.singular">{{ i }}
+              transaction</ng-template>
+            <ng-template #transactionsPlural let-i i18n="shared.transaction-count.plural">{{ i }}
+              transactions</ng-template>
           </div>
-          <div [attr.data-cy]="'bitcoin-block-' + i + '-time'" class="time-difference"><app-time-since [time]="block.timestamp" [fastRender]="true"></app-time-since></div>
+          <div [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-time'" class="time-difference">
+            <app-time-since [time]="block.timestamp" [fastRender]="true"></app-time-since></div>
         </div>
         <div class="animated" [class]="showMiningInfo ? 'show' : 'hide'" *ngIf="block.extras?.pool != undefined">
-          <a [attr.data-cy]="'bitcoin-block-' + i + '-pool'" class="badge badge-primary" [routerLink]="[('/mining/pool/' + block.extras.pool.slug) | relativeUrl]">
+          <a [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i + '-pool'" class="badge badge-primary"
+            [routerLink]="[('/mining/pool/' + block.extras.pool.slug) | relativeUrl]">
             {{ block.extras.pool.name}}</a>
         </div>
       </div>
     </ng-container>
     <ng-template #placeholderBlock>
       <ng-container *ngIf="block && block.placeholder; else loadingBlock">
-        <div [attr.data-cy]="'bitcoin-block-' + i" class="text-center bitcoin-block mined-block placeholder-block blockchain-blocks-{{ i }}" id="bitcoin-block-{{ block.height }}" [ngStyle]="blockStyles[i]">
- 
+        <div [attr.data-cy]="'bitcoin-block-' + offset + '-index-' + i"
+          class="text-center bitcoin-block mined-block placeholder-block blockchain-blocks-{{ i }}"
+          id="bitcoin-block-{{ block.height }}" [ngStyle]="blockStyles[i]">
+
         </div>
       </ng-container>
     </ng-template>
     <ng-template #loadingBlock>
       <ng-container *ngIf="block && block.loading">
         <div class="flashing">
-          <div class="text-center bitcoin-block mined-block" id="bitcoin-block-{{ block.height }}" [ngStyle]="blockStyles[i]"></div>
+          <div class="text-center bitcoin-block mined-block" id="bitcoin-block-{{ block.height }}"
+            [ngStyle]="blockStyles[i]"></div>
         </div>
       </ng-container>
     </ng-template>
   </div>
-<div [hidden]="!arrowVisible" id="arrow-up" [style.transition]="arrowTransition" [ngStyle]="{'left': arrowLeftPx + 'px' }"></div>
+  <div [hidden]="!arrowVisible" id="arrow-up" [style.transition]="arrowTransition"
+    [ngStyle]="{'left': arrowLeftPx + 'px' }"></div>
 </div>
 
 <ng-template #loadingBlocksTemplate>
   <div class="blocks-container" [class.time-ltr]="timeLtr">
     <div class="flashing">
-      <div *ngFor="let block of emptyBlocks; let i = index; trackBy: trackByBlocksFn" >
-        <div class="text-center bitcoin-block mined-block" id="bitcoin-block-{{ block.height }}" [ngStyle]="emptyBlockStyles[i]"></div>
+      <div *ngFor="let block of emptyBlocks; let i = index; trackBy: trackByBlocksFn">
+        <div class="text-center bitcoin-block mined-block" id="bitcoin-block-{{ block.height }}"
+          [ngStyle]="emptyBlockStyles[i]"></div>
       </div>
     </div>
   </div>
 </ng-template>
-