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
Kind of surreal seeing my own Mastodon post linked, damn.
If you’re curious about the details I refer to, there’s an indepth article on lwn.net regarding this from 2016 here: https://lwn.net/Articles/687294/
That article was very informative, thanks!