diff --git a/backend/src/api/bitcoin/bitcoin-api.ts b/backend/src/api/bitcoin/bitcoin-api.ts
index 17808d8bc..7b1fc161d 100644
--- a/backend/src/api/bitcoin/bitcoin-api.ts
+++ b/backend/src/api/bitcoin/bitcoin-api.ts
@@ -326,21 +326,27 @@ class BitcoinApi implements AbstractBitcoinApi {
         b.push(data.toString('hex'));
         i += data.length;
       } else {
-        const opcode = bitcoinjs.script.toASM([ op ]);
-        if (opcode && op < 0xfd) {
-          if (op === 0x4f) {
-            b.push('OP_PUSHNUM_NEG1');
-          } else if (/^OP_(\d+)$/.test(opcode) && op !== 0x00) {
-            b.push(opcode.replace(/^OP_(\d+)$/, 'OP_PUSHNUM_$1'));
-          } else if (op === 0xb1) {
-            b.push('OP_CLTV');
-          } else if (op === 0xb2) {
-            b.push('OP_CSV');
-          } else {
-            b.push(opcode);
-          }
+        if (op === 0x00) {
+          b.push('OP_0');
+        } else if (op === 0x4f) {
+          b.push('OP_PUSHNUM_NEG1');
+        } else if (op === 0xb1) {
+          b.push('OP_CLTV');
+        } else if (op === 0xb2) {
+          b.push('OP_CSV');
+        } else if (op === 0xba) {
+          b.push('OP_CHECKSIGADD');
         } else {
-          b.push('OP_RETURN_' + op);
+          const opcode = bitcoinjs.script.toASM([ op ]);
+          if (opcode && op < 0xfd) {
+            if (/^OP_(\d+)$/.test(opcode)) {
+              b.push(opcode.replace(/^OP_(\d+)$/, 'OP_PUSHNUM_$1'));
+            } else {
+              b.push(opcode);
+            }
+          } else {
+            b.push('OP_RETURN_' + op);
+          }
         }
         i += 1;
       }
diff --git a/frontend/src/app/components/transactions-list/transactions-list.component.html b/frontend/src/app/components/transactions-list/transactions-list.component.html
index 72407a405..eded208bd 100644
--- a/frontend/src/app/components/transactions-list/transactions-list.component.html
+++ b/frontend/src/app/components/transactions-list/transactions-list.component.html
@@ -111,7 +111,10 @@
                         <td style="text-align: left;" [innerHTML]="vin.inner_redeemscript_asm | asmStyler"></td>
                       </tr>
                       <tr *ngIf="vin.inner_witnessscript_asm">
-                        <td i18n="transactions-list.p2wsh-witness-script">P2WSH witness script</td>
+                        <td *ngIf="vin.prevout && vin.prevout.scriptpubkey_type == 'v1_p2tr'; else p2wsh" i18n="transactions-list.p2tr-tapscript">P2TR tapscript</td>
+                        <ng-template #p2wsh>
+                          <td i18n="transactions-list.p2wsh-witness-script">P2WSH witness script</td>
+                        </ng-template>
                         <td style="text-align: left;" [innerHTML]="vin.inner_witnessscript_asm | asmStyler"></td>
                       </tr>
                       <tr>
diff --git a/frontend/src/app/shared/pipes/asm-styler/asm-styler.pipe.ts b/frontend/src/app/shared/pipes/asm-styler/asm-styler.pipe.ts
index f6f1a59ad..54a02e405 100644
--- a/frontend/src/app/shared/pipes/asm-styler/asm-styler.pipe.ts
+++ b/frontend/src/app/shared/pipes/asm-styler/asm-styler.pipe.ts
@@ -281,6 +281,7 @@ export class AsmStylerPipe implements PipeTransform {
       case 'CHECKSIGVERIFY':
       case 'CHECKMULTISIG':
       case 'CHECKMULTISIGVERIFY':
+      case 'CHECKSIGADD':
         style = 'crypto';
         break;