ck0 on Nostr: I believe the difference between a central helper and a central authority is ...

I believe the difference between a central helper and a central authority is especially relevant because of this on your mainpage. Let's be realistic, your goal isn't to target only technical users but everyone in need of a private IM plateform. Not technical people will use in the very large majority your servers. We have the same phenomena with Matrix and Mastodon.

Btw, it looks very similar to some alternate protocols.