Multisig address with privkeys not imported

Question

Hi there, is it possible to create a multisig address between a node address (whos private keys is in the wallet) and another address which private key is not imported on that wallet?

Regards,

Max

Answer 1

Yes, when using the addmultisigaddress or createmultisig APIs to create a multisignature address, you can pass a list of public keys, whose private keys are not necessarily in the wallet. A public key is different from an address (which is a hashed version of a public key). You can obtain the public key for an address in a wallet using the validateaddress API, or getaddresses or listaddresses with verbose=true.

Comments

Ok but will I be able to use signrawtransaction when this 2-of-2 multisig address dont have one of it imported on node's wallet?

---

Yes, you can use signrawtransaction to sign it on each node. Please see this tutorial: http://www.multichain.com/developers/multisignature-transactions/

---

But second address privkey is not imported anywhere, I have it encrypted on my db engine.

---

Yes, you can pass the private key as a parameter to signrawtransaction, or use an external library to sign the transaction (MultiChain uses bitcoin's transaction format).