No. Individual IRC server implementations might, but each implementation seems to be unique in how they handle it (maybe through a website, maybe through NickS

No. Individual IRC server implementations might, but each implementation seems to be unique in how they handle it (maybe through a website, maybe through NickServ, maybe through AuthServ, maybe through yet another bot name, and login may or may not use the PASS command, etc.), and those implementations frequently have you jumping through brittle hoops to auth that break when you attempt to automate them due to timing issues etc. leaving you manually logging in every time. Which is probably part of the reason why the IRC servers I can think of generally all allowed messaging without any kind of registration other than connecting and auto-choosing a unique-for-now nickname. IRC moderation then becomes an uncoordinated, individualized, constant game of whack-a-proxy, RBLs, etc.