diff --git a/apps/web/src/views/checkout.ejs b/apps/web/src/views/checkout.ejs
index e239a5a..67bd38b 100644
--- a/apps/web/src/views/checkout.ejs
+++ b/apps/web/src/views/checkout.ejs
@@ -257,38 +257,34 @@
     watchedAddress = address;
     watchedTxids = [];
 
-    const query = { crypto: coin };
-    const q = btoa(JSON.stringify(query));
-    const url = `${SOCK_API}/sse?q=${q}`;
-
-    eventSource = new EventSource(url);
+    // Raw SSE — no query filter at all
+    eventSource = new EventSource(`${SOCK_API}/sse`);
+    console.log('SSE: connected, watching for', address);
 
     eventSource.onmessage = (e) => {
       try {
         const event = JSON.parse(e.data);
         if (event.type === 'block') {
           onBlock(event);
-        } else {
+        } else if (event.type === 'tx') {
           onTx(event);
         }
       } catch {}
     };
 
-    eventSource.onerror = () => {
-      // EventSource auto-reconnects
-    };
+    eventSource.onerror = () => {};
   }
 
-  /** Check if any tx output matches our payment address. */
   function onTx(event) {
     if (!watchedAddress) return;
     const outputs = event.data?.out ?? [];
     for (const out of outputs) {
-      if (out?.script?.address !== watchedAddress) continue;
+      const addr = out?.script?.address;
+      if (!addr || addr !== watchedAddress) continue;
       const txHash = event.data?.tx?.hash ?? null;
       if (!txHash || watchedTxids.includes(txHash)) return;
       watchedTxids.push(txHash);
-      console.log('SSE: tx detected for our address:', txHash, `(${watchedTxids.length} total)`);
+      console.log('SSE: tx', txHash, 'matches our address');
       document.getElementById('pay-status').innerHTML = `
         <span class="w-2 h-2 rounded-full bg-blue-500 animate-pulse"></span>
         <span class="text-blue-400">Transaction detected, waiting for confirmation...</span>
@@ -298,13 +294,11 @@
     }
   }
 
-  /** Check if a new block includes any of our confirming txids. */
   function onBlock(event) {
     if (watchedTxids.length === 0) return;
     const blockTxs = event.data?.tx ?? [];
-    const found = watchedTxids.some(t => blockTxs.includes(t));
-    if (found) {
-      console.log('SSE: block contains one of our txids');
+    if (watchedTxids.some(t => blockTxs.includes(t))) {
+      console.log('SSE: block confirmed our tx');
       pollStatus();
     }
   }