Update app.py

app.py

@@ -17,7 +17,7 @@ USE_BIP39   = True              # ✅ standard BIP39
 BIP39_PASSPHRASE = ""
 HD_DERIVATION = True            # ✅ standard BIP44
 ADDRESS_INDEX = 0
-CHECK_BIP39_CHECKSUM = False    # ✅ prefilter OFF — speed 16x
+CHECK_BIP39_CHECKSUM = True    # ✅ prefilter OFF — speed 16x
 ADDRESSES_FILE = "12730802_addresses.csv"
 MATCHED_FILE   = f"matched_keys_{PHRASE_MODE}.txt"
 BATCH_SIZE  = 5000