







Bluesky has been on a roller coaster of growth for over a year. From the early days of figuring out a new distributed social protocol—AT protocol—to actually buildi…
A Self-Authenticating Social Protocol - Bluesky
Bluesky’s mission is to drive the evolution from platforms to protocols. The conceptual framework we've adopted for meeting this objective is the "self-authenticating protocol."
Starting from scale in the design of the AT Protocol - Paul's Leaflets
Bluesky was founded in 2022 to produce a protocol which Twitter could adopt. The product goals changed, but the requirements didn't.
BlueSky - The Future of Social Media
Watch BlueSky's user base grow in real-time. Innovative, decentralized social networking is here!

After Eurosky: W Social connects social network for Europe to Bluesky technology
Bluesky's AT protocol forms the basis for an increasing number of social services. Now W Social aims to establish a European network for verified users.

Bluesky Protocol Services
High scale open social, unlocked for every builder. Bluesky operates public infrastructure for the AT Protocol — Jetstream, Relay, and the Bluesky API — as open services anyone can build on.

Atlas - Engagement-Based Social Graph for Bluesky by Jaz (jaz.bsky.social)
Atlas - Engagement-Based Social Graph for Bluesky by Jaz (jaz.bsky.social)
Atlas - Engagement-Based Social Graph for Bluesky by Jaz (jaz.bsky.social)
Building Bluesky: a Distributed Social Network (Real-World Engineering Challenges)
Bluesky is built by around 10 engineers, and has amassed 5 million users since publicly launching in February this year. A deep dive into novel design decisions, moving off AWS, and more.

Bryan Newbold: Protocol engineering
A protocol engineer at the social-media platform Bluesky describes building an open protocol around a fast-growing social media platform.

Bluesky: An Open Social Web - Bluesky
We’re excited to announce that the Bluesky network is federating and opening up in a way that allows you to host your own data.

What is Bluesky? Everything to know about the X competitor.
Bluesky is the latest app users are flocking to in an effort to replace X. We answer all your questions about the social network.

Appendix:Xanadu - AT Protocol Paper Errata and Details
A description of known problems in Bluesky PBC's paper, "Bluesky and the AT Protocol: Usable Decentralized Social Media", as well as notes on terminology changes and how Bluesky's implementation differs from that described in the paper.
Bluesky is not a social network or a product or a service, it is fundamentally a promise - a promise that you can decide — with others in your social geography — where you want to be in the digital world, and you don’t have to lose all of the bits that represent you in the process.
Aaron Ross Powell
Is Bluesky dying? Is it the community's fault? Should people here refrain from criticizing journalists who think J. K. Rowling might have a point? The thing is, it doesn't matter. Because the answer isn't to make Bluesky change. It's to take advantage of Bluesky's tech to build something else.
This is a really insightful thread that points out some of the fundamental issues with the Bluesky community vs Bluesky as a decentralized protocol. This thread is also why I think it's a really smart move for Bluesky to appeal to fandoms... (cont.)
B. Prendergast
One of the Atmosphere’s big bets is that the next 100m users will be won by making decentralised tech + data sovereignty more compelling. I’m less than convinced. We may be solving problems only builders care about, while overlooking problems that actually make ordinary people choose a network.