Update app.py

app.py

@@ -73,13 +73,10 @@ async def sign_message(payload: dict):
         return {"success": False, "error": "Quantum auth failed"}
 
     # 2️⃣ server signs message hash
-    msg_hash = hashlib.sha256(message).digest()
-
-    server_sig = SERVER_KEY.sign_message(msg_hash)
+    
 
     return {
-        "success": True,
-        "server_signature": base58.b58encode(bytes(server_sig)).decode()
+        "success": True
     }