user10559: I would like to know if invoking the submitblock RPC is supposed to work if the daemon that handles the RPC does not have the private-keys for to the coinbase output address?

user48884: submitblock is not a wallet RPC so it does not need private keys nor is it related to anything in the wallet. It can be used even if the wallet is disabled.

10559: <p>I would like to know if invoking the submitblock RPC is supposed to work if the daemon that handles the RPC does not have the private-keys for to the coinbase output address?</p>
 48884: <p><code>submitblock</code> is not a wallet RPC so it does not need private keys nor is it related to anything in the wallet. It can be used even if the wallet is disabled.</p>
