Threw together a
comparison of the four decentralized social protocols I know best: IndieWeb, ActivityPub, ATProto, Nostr. Obviously oversimplified, hopefully still useful! Preview below, click through for full table with links.
I tried to focus on how these protocols are currently deployed and used in the real world. For example,
identity in ActivityPub is technically URL-based, but in practice the fediverse uses
WebFinger user@domain identifiers more or less universally, so the table reflects that.
Feedback is welcome!
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