@syumari 標準実装するとなると、色々難しいですね。これまでの議論はこんなところでしょうか。
Feature Request: Option to force 2FA at account signup in order to reduce spam
https://github.com/tootsuite/mastodon/issues/13013
Support / donations page for the server
https://github.com/tootsuite/mastodon/issues/10485
Inundated with spambots
https://github.com/tootsuite/mastodon/issues/8122
Prevent registration spams
https://github.com/tootsuite/mastodon/issues/877