If your threat model includes people breaking down your door and interrogating (torturing) you, the messaging app or security don’t really matter since you’ll give them anyway. Shamir secret sharing is used by companies that needs security, along with guards, double entrance security doors, offline / airgapped devices, etc…
I succeeded in following (and being followed) by my mastodon & bluesky accounts, but neither can see the posts of the other or communicate through DM :(
Tested both mostr.pub (doesn't answer most of the time) and momostr.pink (supports very few things).
Notes by sebbu | export