It will be open source, end to end encrypted using Signal’s double ratchet encryption protocol, and he plans to make it easy for fediverse platforms to integrate it. The beta will release later this month.
He’s also the creator of https://fedidb.org btw
Huh. I wonder what they mean by “bad user UX”. I was expecting concerns about encryption or privacy, not UX. I already use Signal, so it would be a positive for me if they federate.