AT Protocol
The AT Protocol (Authenticated Transfer Protocol) is an open-source social networking protocol developed by Bluesky, designed to enable decentralized social media applications. It provides a federated network architecture where users control their identity and data through decentralized identifiers (DIDs) and personal data repositories. The protocol aims to create an interoperable ecosystem for social platforms, allowing users to move between services while maintaining their social graph and content.
Developers should learn AT Protocol when building decentralized social media applications, as it offers a standardized framework for identity management, data portability, and interoperability across platforms. It is particularly useful for projects focused on user sovereignty, censorship resistance, or creating federated networks where users can choose their hosting providers. Use cases include developing alternative social networks, integrating social features into existing apps, or experimenting with decentralized web technologies.