Comments moved to <a href="https://news.ycombinator.com/item?id=21762510" rel="nofollow">https://news.ycombinator.com/item?id=21762510</a>.
Could the mods change the title? Bluesky is not a protocol itself, but an independent effort to develop a decentralized standard (which may or may not be an existing standard like ActivityPub or Matrix).