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ah ok, the need to download the whole chain obviously is at least a small hurdle. :)

You don't need to download the whole chain to do that.

You need the cli_wallet.

https://steemit.com/steemhelp/@felixxx/5-sbd-bounty-how-to-use-and-set-up-cliwallet-to-change-my-passwords

In the comment section of my post, you can find an easy method.

You need 4 keys to create an account.

The command you are looking for is: create_account_with_keys

create_account will create an account with the keys stored in your wallet.

ah, great. thank you. cli_wallet would have been the keyword to google for. :)

without the docker image it's a pain to compile it though.

Yeah, I just began to read. I guess I will try this next weekend. :)