verifymessage

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 json rpc

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/