createmultisig

util

v0.11.2

createmultisig nrequired ["key",...]

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 or addresses.
2. "keys" (string, required) A json array of keys which are bitcoin addresses or hex-encoded public keys
[
"key" (string) bitcoin address or hex-encoded public key
,...
]

Result:
{
"address":"multisigaddress", (string) The value of the new multisig address.
"redeemScript":"script" (string) The string value of the hex-encoded redemption script.
}

Examples:

Create a multisig address from 2 addresses
> bitcoin-cli createmultisig 2 "[\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\",\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\"]"

As a json rpc call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "createmultisig", "params": [2, "[\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\",\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\"]"] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/
Don't trust. Verify. Docs extracted from src/rpcmisc.cpp#L279-L306.