XMTP End-to-end encrypted group chat

End-to-end encrypted group chat on /xmtp is now in alpha, available on the dev network, and built on a new messaging foundation. 👉 Docs here: https://xmtp.org/docs/build/groups 👈 It's *early* days, but this upgrade is a massive overhaul to @xmtp that will add capability, security, privacy, and more.