What is BlueSky authenticated Transfer Protocol (ADX)?

Bluesky was created to build a social protocol. In the spring, we released “ADX,” the very first iteration of the protocol. Over the summer we improved and simplified ADX’s design, and today we’re sharing a preview of what’s to come. ADX is now the “Authenticated Transfer Protocol” — or, more simply, the “AT Protocol.”

What is Twitter authenticated data experiment (ADX)?

Adi has covered video games, biohacking, and more for The Verge since 2011. Bluesky, Twitter’s open-source offshoot, has released early code for a decentralized social network protocol. The system is dubbed the Authenticated Data Experiment (or ADX) and is available on GitHub for developers to test, although Bluesky emphasizes that it’s incomplete.

What is the authenticated Transfer Protocol (atproto)?

The Authenticated Transfer Protocol, aka atproto, is a federated protocol for large-scale distributed social applications. This document will introduce you to the ideas behind the AT Protocol. Users are identified by domain names on the AT Protocol. These domains map to cryptographic URLs which secure the user's account and its data.

Will BlueSky's adX be a semi-public project?

It’s one of the most substantive windows into Bluesky’s workings since the project was conceived in 2019 and formally incorporated in early 2022. Bluesky CEO Jay Graber writes that ADX will be the start of a semi-public development process.