diff --git a/README.md b/README.md
index be7f94d..3a9af9b 100644
--- a/README.md
+++ b/README.md
@@ -439,6 +439,7 @@ transitions.
   matching the Settings view pattern):
     - "Transaction" heading, "Back" button
     - **Identity block**:
+        - Blockie identicon (48px, centered, derived from transaction hash)
         - Transaction hash: full hash (tap to copy) + etherscan link
         - Type: transaction classification — one of: Native ETH Transfer, ERC-20
           Token Transfer, Swap, Token Approval, Contract Call, Contract Creation
diff --git a/src/popup/index.html b/src/popup/index.html
index 5d0adac..abbbce0 100644
--- a/src/popup/index.html
+++ b/src/popup/index.html
@@ -1068,6 +1068,10 @@
                 <!-- ── Identity ── -->
                 <div class="bg-well p-3 mx-1 mb-3">
                     <h3 class="font-bold mb-1">Identity</h3>
+                    <div
+                        id="tx-detail-blockie"
+                        class="flex justify-center mt-1 mb-3"
+                    ></div>
                     <div class="mb-2">
                         <div class="text-xs text-muted mb-1">
                             Transaction hash
diff --git a/src/popup/views/transactionDetail.js b/src/popup/views/transactionDetail.js
index 7af9d50..73f4f1e 100644
--- a/src/popup/views/transactionDetail.js
+++ b/src/popup/views/transactionDetail.js
@@ -130,6 +130,19 @@ function render() {
     if (!tx) return;
     $("tx-detail-hash").innerHTML = txHashHtml(tx.hash);
 
+    // Blockie identicon for the transaction hash
+    const blockieEl = $("tx-detail-blockie");
+    if (blockieEl) {
+        blockieEl.innerHTML = "";
+        const img = document.createElement("img");
+        img.src = makeBlockie(tx.hash);
+        img.width = 48;
+        img.height = 48;
+        img.style.imageRendering = "pixelated";
+        img.style.borderRadius = "50%";
+        blockieEl.appendChild(img);
+    }
+
     const fromTitle = addressTitle(tx.from, state.wallets);
     const toTitle = addressTitle(tx.to, state.wallets);
     $("tx-detail-from").innerHTML = txAddressHtml(