So something I want to point out: plain text encryption exists. Cyphers and the like. You could have your instance use all the standard stuff but with a really hard cypher, and it would work everywhere. Then you just need a front end to read it… but then the cops could read it… oh public encryption makes no sense.

Secure Scuttlebutt is the way

I don’t care who federates. We can always ban their instance: