createmultisig (util command)

Bitcoin Core 24.0 RPC

createmultisig nrequired ["key",...] ( "address_type" )

Creates a multi-signature address with n signature of m keys required.

It returns a json object with the address and redeemScript.

Arguments

1. nrequired       (numeric, required) The number of required signatures out of the n keys.
2. keys            (json array, required) The hex-encoded public keys.
     [
       "key",      (string) The hex-encoded public key
       ...
     ]
3. address_type    (string, optional, default="legacy") The address type to use. Options are "legacy", "p2sh-segwit", and "bech32".

Result

{                            (json object)
  "address" : "str",         (string) The value of the new multisig address.
  "redeemScript" : "hex",    (string) The string value of the hex-encoded redemption script.
  "descriptor" : "str",      (string) The descriptor for this multisig
  "warnings" : [             (json array, optional) Any warnings resulting from the creation of this multisig
    "str",                   (string)
    ...
  ]
}

Examples

Create a multisig address from 2 public keys
> bitcoin-cli createmultisig 2 "[\"03789ed0bb717d88f7d321a368d905e7430207ebbd82bd342cf11ae157a7ace5fd\",\"03dbc6764b8884a92e871274b87583e6d5c2a58819473e17e107ef3f6aa5a61626\"]"

As a JSON-RPC call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "createmultisig", "params": [2, ["03789ed0bb717d88f7d321a368d905e7430207ebbd82bd342cf11ae157a7ace5fd","03dbc6764b8884a92e871274b87583e6d5c2a58819473e17e107ef3f6aa5a61626"]]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/