An entire Social Network in 1.6GB (GraphD Part 2)
Roaring Bitmaps offer an even more efficient way to store and query an entire social graph, fitting the entire network of 5.5M users and 164M+ follows into a ~1.6GB SQLite DB on disk.
Building OAuth Authentication for Bluesky: A Complete Guide for Web and iOS Apps - Lost in Inference
How to implement secure, standards-compliant OAuth 2.1 + PKCE authentication for AT Protocol apps with separate web and mobile flows
Machine-readable attitudes - Computational Semantics++
User intent declarations can be viewed as propositional attitudes (permission, prohibition, desire, intention, belief, etc.) over structured descriptions of data use. Treating them that way gives you composable building blocks from existing theory and lens-based translations between community vocabularies that make explicit what each translation cannot carry through.
panproto/crates/panproto-lens-dsl at main · panproto/panproto
One engine for schematic version control within and across any schema language. - panproto/panproto
User Intents as Living Data — A Descriptive Meta-Framework
A response to Bluesky's User Intents proposal: instead of prescribing a fixed set of intent categories, treat them as living data and use panproto lenses to map between the vocabularies that different communities will inevitably create.
Building More Resilient Local-First Software with atproto | jakelazaroff.com
atproto has the potential to become a rock-solid replacement for the most fragile part of any local-first app: the sync server.
Personal sync servers for composable data
Exploring the possibilities of interoperability and composability for local-first software & data by using a personal sync server tied to an atproto identity
Making MLS more decentralized
It’s no secret that we at Phoenix R&D are big fans of the Messaging Layer Security (MLS) protocol, having helped it to come into existence. It’s a versatile group key agreement and messaging protocol that’s used to power both asynchronous and real-time applications. MLS is relatively
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.
Sharing a safety tool: announcing policyserv
Matrix, the open protocol for secure decentralised communications
