verifymessage (util command)

Bitcoin Core 24.0.1 RPC

verifymessage "address" "signature" "message"

Verify a signed message.

Arguments

1. address      (string, required) The bitcoin address to use for the signature.
2. signature    (string, required) The signature provided by the signer in base 64 encoding (see signmessage).
3. message      (string, required) The message that was signed.

Result

true|false    (boolean) If the signature is verified or not.

Examples

Unlock the wallet for 30 seconds
> bitcoin-cli walletpassphrase "mypassphrase" 30

Create the signature
> bitcoin-cli signmessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "my message"

Verify the signature
> bitcoin-cli verifymessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "signature" "my message"

As a JSON-RPC call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "verifymessage", "params": ["1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX", "signature", "my message"]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/