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!


154 thoughts on “

  1. How is the indieweb peer to peer? I thought I was dependent on servers like Bridgy. Of course the indiweb is not Bridgy, it’s a set of ideas. Maybe there’s a P2P version but then I missed it. Nice comparison.

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