Bluesky
A decentralized social media platform built on the AT Protocol (Authenticated Transfer Protocol) and operated by the non-profit organization Bluesky Social PBC. Its core characteristics include an open API and a decentralized architectural design.
Core Facts
Bluesky's technical foundation is the AT Protocol (Authenticated Transfer Protocol), a decentralized social networking protocol independently developed by Bluesky.
The AT Protocol introduces the concept of a 'Personal Data Server' (PDS), allowing users to self-host their data.
Timeline (last 90 days)
Compared with the fully decentralized ActivityPub (the protocol used by Mastodon), Bluesky's degree of federation is still limited, and the main server has considerable discretion over content visibility.
Bluesky was initially launched with funding from Twitter (now X) and later operated independently, with its underlying technology being the AT Protocol.
Bluesky was criticized for blocking the links, with critics arguing that the platform over-censored under government pressure.
Bluesky blocked links pointing to a website that published leaked data on U.S. Department of Homeland Security (DHS) employees.
Bluesky's URL length limit is about 4096 characters.
Of the 164 posts published on Bluesky and Mastodon, 158 discussed the experiment itself, and none showcased the product.
A multi-platform presence (Mastodon, Bluesky, LinkedIn) can provide a buffer when a single platform's policies change, but note that user demographics and interaction logic differ across platforms, so content needs to be adjusted accordingly rather than simply synchronized.
Bluesky is based on the AT protocol, allowing users to store their identity and data on their own servers, and different platforms can interoperate.
Bluesky CEO Toni Schneider was interviewed at the TechCrunch Disrupt conference, talking about the direction of Attie's development toward app generation.
When Attie was first launched this year, it was positioned to help users build their own feeds through AI; users only needed to describe what content they wanted to see, and Attie could generate the corresponding algorithm filtering rules.
29 more timeline events
All Facts (20)
Bluesky's technical foundation is the AT Protocol (Authenticated Transfer Protocol), a decentralized social networking protocol independently developed by Bluesky.
65%VerifiedThe AT Protocol introduces the concept of a 'Personal Data Server' (PDS), allowing users to self-host their data.
65%UnverifiedCompared with the fully decentralized ActivityPub (the protocol used by Mastodon), Bluesky's degree of federation is still limited, and the main server has considerable discretion over content visibility.
50%UnverifiedBluesky was criticized for blocking the links, with critics arguing that the platform over-censored under government pressure.
50%UnverifiedBluesky was initially launched with funding from Twitter (now X) and later operated independently, with its underlying technology being the AT Protocol.
50%UnverifiedBluesky's URL length limit is about 4096 characters.
50%UnverifiedOf the 164 posts published on Bluesky and Mastodon, 158 discussed the experiment itself, and none showcased the product.
50%UnverifiedA multi-platform presence (Mastodon, Bluesky, LinkedIn) can provide a buffer when a single platform's policies change, but note that user demographics and interaction logic differ across platforms, so content needs to be adjusted accordingly rather than simply synchronized.
50%UnverifiedBluesky is based on the AT protocol, allowing users to store their identity and data on their own servers, and different platforms can interoperate.
50%UnverifiedWhen Attie was first launched this year, it was positioned to help users build their own feeds through AI; users only needed to describe what content they wanted to see, and Attie could generate the corresponding algorithm filtering rules.
50%UnverifiedBluesky's exploration reflects a larger industry trend: the marginal benefits of the advertising model are declining, and platforms need to find new sources of revenue.
50%UnverifiedAttie is positioned by Bluesky as an experimental product and is still in an exploratory stage.
50%UnverifiedAttie puts generated content and distribution into the Bluesky ecosystem, so the generated content naturally has social exposure channels and can be viewed, shared, and interacted with like a post.
50%UnverifiedFor Attie, Bluesky's social graph has two kinds of value: first, distribution, and second, social feedback signals.
50%UnverifiedAttie's core mechanism is to turn natural language descriptions into runnable interactive content and distribute it via Bluesky's social graph.
50%UnverifiedBluesky calls Attie "social vibe coding", which layers a distribution dimension on top of the vibe coding concept.
50%UnverifiedBluesky is built on the AT Protocol and currently has a relatively high degree of data openness, but its user base is still far smaller than that of Reddit and X.
50%UnverifiedOwnfeed is a social feed product that displays only people who need your product; after users paste a product URL, it automatically scans Reddit, X, Bluesky, and Hacker News daily to filter for potential customer posts.
50%UnverifiedBluesky is a decentralized social platform early championed by Twitter co-founder Jack Dorsey and now operated by the independent nonprofit Bluesky Social, PBC.
50%UnverifiedBluesky's API is currently still freely open to the public, allowing developers to read public post data, user information, and interaction records without a paid subscription.
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