Thread:Sannse/@comment-46438034-20200829020106/@comment-8-20200831175847

If the original account's ban has ended, then they are allowed to make a new account. But they can't use that account to behave badly, for example by voting twice or trying to fool people pretending to be someone else.

If he needs to be blocked on one wiki, an admin can do that. If he is changing IP, then they will get around an IP block, but you can just block the new account too!