







Solving real coordination problems to discover the formal laws of protocols.
Protocol Reader - Summer of Protocols
The Protocol Reader The Protocol Reader is an 358-page book (currently only available as an epub) comprising 26 foundational essays by 31 authors from the Summer of Protocols program, carefully edited and sequenced to introduce you to the fascinating new discipline of Protocol Studies. It can serve as

The Unreasonable Sufficiency of Protocols | Summer of Protocols
DRAFT Version 0.99, March 6th, 2023
atproto-experiments - Ha Ja Ba Ra La
A foundation for building tools on the AT Protocol using Unison Programming Language.
AT Protocol - AT Protocol
Specification for the Authenticated Transfer Protocol (AT Protocol)

Introducing the Protocol Institute
Building a field and community to steward the planetary-scale process of protocolization





Why a New Protocol? The History and Future of AT Protocol - AT Protocol
Bluesky CTO Paul Frazee and Head of Protocol Daniel Holmgren join for a wide-ranging conversation about what atproto is, why it exists, how it got built, and where it's going next. From a Twitter consultancy to an IETF working group, this is where to get started.

Introduction to AT Protocol
Walkthrough of the various parts and concepts in Bluesky's AT Protocol (ATProto), the types of servers involved and how it all fits together

Introduction to AT Protocol
Walkthrough of the various parts and concepts in Bluesky's AT Protocol (ATProto), the types of servers involved and how it all fits together

Decentralization Trade Offs in AT Protocol and ActivityPub DWeb Camp 2026
Christine Lemmer Webber is lead author and co-editor of the W3C ActivityPub specification. Daniel Holmgren is Head of Protocol at Bluesky, working on the AT Protocol specification at the IETF. Join us for a discussion on decentralization trade-offs and other design decisions in the two protocols, and what that means for different architectures, structures, and even future points of convergence. Moderated by Boris Mann
Challenges: Trivial, Grand, and Whitehead
Introducing the Protocol Institute Challenges program

Knowledge Networks and the Politics of Protocols
Harmony without loss of Variety; Variety without loss of Harmony.

Atproto Ethos - AT Protocol
A deep dive into the philosophical and aesthetic principles underlying the design of AT Protocol.
