Peer-to-peer protocols which scale up, down, and sideways. Sychronisable data storage, fine-grained access control, private and efficient synchronisation, and secure data delivery by any means possible.
ATOM: AT Protocol Over MoQ Transport
This document specifies how the Authenticated Transfer (AT) Protocol can leverage Media over QUIC Transport (MOQT) for efficient data synchronization across decentralized social networks. The AT Protocol's firehose event stream and repository synchronization mechanisms map naturally to MOQT's publish/subscribe model, enabling scalable relay infrastructure, priority-based delivery, and improved resilience for large-scale social data distribution. This specification addresses the challenges of the current WebSocket- based transport and demonstrates how MOQT's relay architecture, group-based caching, and multiplexed streams provide significant benefits for AT Protocol deployments at scale.
Permissioned Data Diary 2: Buckets - Daniel's Leaflets
The second in a series of posts building up a solution to permissioned data on atproto. We introduce buckets: a new protocol primitive for creating a shared social context.
ATProto for distributed systems engineers - AT Protocol
AT Protocol is the tech developed at Bluesky for open social networking. In this article we're going to explore AT Proto from the perspective of distributed backend engineering.
From ZK-first to AT Protocol — our path to DDS | Agora Citizen Network
We've been building Agora — a platform for public deliberation using Polis-style clustering — for a while now. Along the way, we've written about what we think about Nostr, AT Protocol, Polis, Community Notes, and protocol interoperability. Those posts are somewhat outdated now. This one describes w...
AWS re:Invent 2018: Amazon DynamoDB Under the Hood: How We Built a Hyper-Scale Database (DAT321)
Introducing Tap: Repository Synchronization Made Simple | Bluesky
Just about every app built on AT needs data from a repository at some point. For many use cases – feed generators, labelers, bots – streaming live data through a Relay or Jetstream works well. But some applications need to go beyond what Jetstream was designed for, like tracking specific subsets of a repo, automatically backfilling a database when adding new repos to monitor, or even mirroring the entire Atmosphere.
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
Secure Scuttlebutt Consortium
A distributed and secure peer to peer social network - Secure Scuttlebutt Consortium
Rethinking Digital Storage for Community-Based Archives
Over the last few decades, the standard procedure for storing and backing up data has been ‘put it in the cloud.’ Many of us use cloud…
Local-First Software: Taking Back Control of Our Data | a mini-doc
durability-labs/archivist-desktop
Cross-platform desktop client for Archivist decentralized storage - built with Tauri v2, React, and Rust
at://alternatives | AT protocol alternatives for popular products
Discover AT Protocol alternatives for popular products and services. Browse decentralized apps that give you control over your data, identity, and social connections.
The Atproto Spaces Alpha is Live - AT Protocol
Atproto Spaces, formerly known as “the permissioned data protocol,” is a new extension to atproto that enables non-public data. The alpha is now officially open. Here’s how to develop with it and what to expect as we work towards the full release.
In 2026, @bsky.app is focused on what’s next for open social: bringing together users for conversations around live events, creator and platform monetization, and private state, giving users truly private data while preserving ownership and portability at the protocol level.
