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 a JSON-RPC call > curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "verifymessage", "params": ["1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX", "signature", "my message"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

Signature

verifymessage(address: string, signature: string, message: string) → any

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"verifymessage","params":["\"<address>\"","\"<signature>\"","\"<message>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli walletpassphrase "mypassphrase" 30

bitcoin-cli signmessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "my message"

bitcoin-cli verifymessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "signature" "my message"

curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "verifymessage", "params": ["1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX", "signature", "my message"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "verifymessage",
        "params": ["\"<address>\"", "\"<signature>\"", "\"<message>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "verifymessage",
    params: ["\"<address>\"","\"<signature>\"","\"<message>\""],
  }),
});
console.log(await res.json());

Parameters

Name	Type	Req.	Description
address	`string`	yes	The bitcoin address to use for the signature.
signature	`string`	yes	The signature provided by the signer in base 64 encoding (see signmessage).
message	`string`	yes	The message that was signed.

Result

Type: any

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

Source: services/core-node/bcore/src/rpc/signmessage.cpp:17

C++ symbol: verifymessage

Code samples

curl --user "$RPC_USER:$RPC_PASS" \
  --data-binary '{"jsonrpc":"1.0","id":"docs","method":"verifymessage","params":["\"<address>\"","\"<signature>\"","\"<message>\""]}' \
  -H 'content-type: text/plain;' \
  http://127.0.0.1:8332/

bitcoin-cli walletpassphrase "mypassphrase" 30

bitcoin-cli signmessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "my message"

bitcoin-cli verifymessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "signature" "my message"

curl --user myusername --data-binary '{"jsonrpc": "2.0", "id": "curltest", "method": "verifymessage", "params": ["1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX", "signature", "my message"]}' -H 'content-type: application/json' http://127.0.0.1:8332/

import requests
r = requests.post(
    "http://127.0.0.1:8332/",
    auth=("$RPC_USER", "$RPC_PASS"),
    json={
        "jsonrpc": "1.0",
        "id": "docs",
        "method": "verifymessage",
        "params": ["\"<address>\"", "\"<signature>\"", "\"<message>\""],
    },
    timeout=30,
)
print(r.json())

const res = await fetch("http://127.0.0.1:8332/", {
  method: "POST",
  headers: {
    "content-type": "application/json",
    "authorization": "Basic " + btoa(`${process.env.RPC_USER}:${process.env.RPC_PASS}`),
  },
  body: JSON.stringify({
    jsonrpc: "1.0",
    id: "docs",
    method: "verifymessage",
    params: ["\"<address>\"","\"<signature>\"","\"<message>\""],
  }),
});
console.log(await res.json());