a key establishment protocol that provides efficient asynchronous group key establishment with forward secrecy (FS) and post-compromise security (PCS) for groups in size ranging from two to thousands. projects Nostr Chat Implementations secure messaging on nostr using MLS resources protocol: https://datatracker.ietf.org/doc/rfc9420/ eli5 https://youtu.be/7uEeE3TUqmU?si=cOWQBPeE_NAt_p9M https://blog.mozilla.org/en/mozilla/messaging-layer-security-is-now-an-internet-standard/