Signature verifier
Paste what your exchange asked for. Verification and the proof download run entirely in your browser. Nothing is uploaded. Content-Security-Policy on this site blocks outbound connections from the page.
Scam warning. Never enter a seed phrase, private key or recovery words here or anywhere else. A real ownership check only ever needs a signature your wallet produces.
What this checks
- Bitcoin BIP-137 / Electrum compact signatures for P2PKH, P2SH-P2WPKH and P2WPKH (1…, 3…, bc1q…).
- Bitcoin BIP-322 simple for single-key P2WPKH and Taproot key-path (bc1q…, bc1p…).
- EVM personal_sign (EIP-191) for 0x… addresses. Smart-contract wallets (EIP-1271) are not supported offline.
BIP-322 "full" / multisig / proof-of-funds and Monero signatures are not supported yet.