addmultisigaddress

addmultisigaddress nrequired ["key",...] ( "label" "address_type" )

Add a nrequired-to-sign multisignature address to the wallet. Requires a new wallet backup.

Each key is a Bitcoin address or hex-encoded public key.

This functionality is only intended for use with non-watchonly addresses.

See importaddress for watchonly p2sh address support.

If ‘label’ is specified, assign address to that label.

Argument #1 - nrequired

Type: numeric, required

The number of required signatures out of the n keys or addresses.

Argument #2 - keys

Type: json array, required

A json array of bitcoin addresses or hex-encoded public keys

[
  "key",      (string) bitcoin address or hex-encoded public key
  ...
]

Argument #3 - label

Type: string, optional

A label to assign the addresses to.

Argument #4 - address_type

Type: string, optional, default=set by -addresstype

The address type to use. Options are “legacy”, “p2sh-segwit”, and “bech32”.

Result

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

Examples

Add a multisig address from 2 addresses:

bitcoin-cli addmultisigaddress 2 "[\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\",\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\"]"

As a JSON-RPC call:

curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "addmultisigaddress", "params": [2, "[\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\",\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\"]"] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/