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devcon8 / atproto and bluesky the personal data server vs the collectivist state machine

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ATProto and Bluesky: The Personal Data Server vs the Collectivist State Machine preview
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ATProto and Bluesky: The Personal Data Server vs the Collectivist State Machine

Duration: NaN:NaN:NaN

Speaker: Edmund Edgar

Type: Talk

Expertise: No prior knowledge

Event: Devcon

Date: Nov 2026

Originally conceived as a way to decentralize Twitter, ATProto is attracting new interest for building decentralized apps. At its heart is the Personal Data Server, a portable, user-controlled data store that any app can write to with the user's permission. This talk covers how ATProto works, introduces ATProto apps including Bluesky, and compares their designs to blockchain-centric alternatives. It discusses the philosophical difference between an individual-centric and a consensus-centric model, strengths and weaknesses of each, and how to mitigate the weaknesses. I'm mainly a dapp author (maintain reality.eth), not a Bluesky developer or ATProto designer, so I don't speak "on behalf of" ATProto. I've given prior talks on ATProto at Protocol Berg and Dappcon, and on weaknesses in did:plc at Atmosphere Conf. I want to give this talk because this important piece of decentralization infrastructure is under-known among web3 builders, for social/factional rather than technical reasons.

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Open SourceP2PCensorship ResistanceCommunication