1 The account creation process in the default [[plugins/passwordauth]] plugin
2 could support account moderation by an administrator. New account signups
3 would go into a queue for approval by an administrator.
5 (Random, potentially infeasible idea: save their edits and apply them if
6 the account gets approved.)
8 [[plugins/passwordauth]] could also support an "account creation password", as
9 a simplistic anti-spam measure. (Some wikis edited by a particular group use
10 an account creation password as an "ask an existing member to get an account"