The Bluesky team has an academic paper describing the protocol that’s a pretty good high level but somewhat technical overview. It includes how they see Bluesky compares to Secure Scuttlebutt, Nostr...
asked chatgpt to summarize it, and some questions about network resilience: https://chatgpt.com/share/6712b746-3dc8-8007-8166-b2b4b0c5219e