Hes probably gonna give his account password out which is most likely his email password. And since your email is in the profile options or something like that. He can log into the account and run key recovery.
the only people with access to your forum details, already know your blockland key beforehand anyways.
there is no secret info to get then.
and the last thing the admins want is random people using random accounts on here. that would defeat the purpose of thier efforts to keep this forum moderated anyways.
you are loving stupid