One Hash Bloom Filters(calabro.io)
125 points by jcalabro | 13 comments
Blog post by Jim Calabro explaining bloom filters and a technique for implementing them using a single hash function, with context from Bluesky's backend.
#bluesky on Hacker News
34 stories tagged bluesky, newest first.
Bot traffic plunged to near 0 following the strike on its Vladimir data center(bsky.app)
33 points by PLenz | 4 comments
A Bluesky post claiming bot traffic fell to near zero after a strike on a data center in Vladimir, Russia.
The super intelligence shit is a humiliation ritual for OpenAI(bsky.app)
54 points by doener | 33 comments
A Bluesky thread arguing that the 'superintelligence' framing is a public humiliation ritual for OpenAI and the AI sector, tied to regime politics.
A 12-year sequence of telescope images of a star and four planets orbiting(bsky.app)
387 points by mariuz | 79 comments
Bluesky post by Paul Byrne sharing a 12-year sequence of telescope images showing four massive exoplanets orbiting a star 133 light-years away.
First Steps of the PLC Organization – Independent Public Ledger of Credentials(blog.plcred.org)
42 points by embedding-shape | 19 comments
Announcement that the Public Ledger of Credentials Organization now formally exists and is taking steps to independently operate the AT Protocol PLC directory.
"Someone just sent me an ad that features an AI version of me. What do I do?"(bsky.app)
11 points by pavel_lishin | 0 comments
A Bluesky thread by Laura Bassett saying a Chase ad appears to feature an AI-generated version of her, with a link to the ad.
Don't let anyone take away your big box of cables(blog.jim-nielsen.com)
727 points by Brajeshwar | 436 comments
A blog post by Jim Nielsen reacting to a Tyler Gaw Bluesky post about finally using old cables from his big box of cables, and deciding to act on it.
How Bluesky draws its logo on screenshots(timmarinin.net)
665 points by gavide | 418 comments
Blog post by Tim Marinin examining how the Bluesky app adds its butterfly logo to screenshots of posts.
There are no instances in ATProto(overreacted.io)
509 points by danabramov | 289 comments
Dan Abramov's Overreacted blog post explaining why the concept of "instances" from Mastodon doesn't apply to Bluesky's AT Protocol.
Google removes "Doki Doki Literature Club" from Google Play(bsky.app)
473 points by super256 | 248 comments
Bluesky post by publisher Serenity Forge with a statement on Google removing Doki Doki Literature Club from the Google Play Store over sensitive themes.
Artemis computer running two instances of MS outlook; they can't figure out why(bsky.app)
425 points by mooreds | 315 comments
A Bluesky post claiming astronauts called Houston because a spaceship computer was running two instances of Microsoft Outlook and NASA planned to remote in.
Bluesky CEO Jay Graber is stepping down(bsky.social)
367 points by minimaxir | 320 comments
Bluesky blog post by Jay Graber announcing she is stepping down as CEO to become Bluesky's Chief Innovation Officer.
A Social Filesystem(overreacted.io)
462 points by icy | 207 comments
Dan Abramov's overreacted blog post "A Social Filesystem" uses the metaphor of files to explain user-owned social data, likely in the context of AT Protocol.
Rob Pike goes nuclear over GenAI(skyview.social)
1337 points by christoph-heiss | 1594 comments
A Skyview viewer page for a Bluesky thread in which Rob Pike posts a strongly worded criticism of generative AI; the post content had not loaded yet.
Where it's at://(overreacted.io)
393 points by steveklabnik | 234 comments
Dan Abramov's overreacted blog post explaining at:// URIs in the AT protocol and how they identify JSON records across the atmosphere.
Open Social(overreacted.io)
882 points by knowtheory | 353 comments
Dan Abramov's overreacted blog post arguing that social media should follow open source's path, built on open protocols like AT Protocol.
Google AI Overview made up an elaborate story about me(bsky.app)
566 points by jsheard | 230 comments
Bluesky post by Benn Jordan showing Google's AI Overview fabricating a story that he released a video titled 'I Was Wrong About Israel' after a trip there.
Are we decentralized yet?(arewedecentralizedyet.online)
444 points by Bogdanp | 226 comments
A dashboard measuring server concentration of the Fediverse and Bluesky's Atmosphere using the Herfindahl-Hirschman Index, with server counts and user shares.
Building Bluesky comments for my blog(natalie.sh)
353 points by g0xA52A2A | 131 comments
A blog post describing how the author built a comment system for their blog using Bluesky replies instead of Disqus or self-hosted options.
A new form of verification on Bluesky(bsky.social)
365 points by ink_13 | 251 comments
Bluesky blog post from April 21, 2025 announcing a new form of account verification on the platform.
Adobe deletes Bluesky posts after backlash(petapixel.com)
505 points by bookofjoe | 637 comments
PetaPixel news article reporting that Adobe deleted its posts on Bluesky after receiving a furious backlash from users.
Show HN: I made a tool to port tweets to Bluesky mantaining their original date(bluemigrate.com)
487 points by nols05 | 192 comments
BlueMigrate is a web tool that imports a user's tweets from X (Twitter) to Bluesky while preserving the original post dates.
When imperfect systems are good: Bluesky's lossy timelines(jazco.dev)
751 points by cyndunlop | 293 comments
Blog post explaining how Bluesky uses intentionally lossy timeline fanout to trade perfect consistency for lower latency and better scalability.
Itch.io Taken Down by Funko(bsky.app)
1080 points by spiralganglion | 437 comments
Bluesky post from itch.io saying its domain was disabled by registrar iwantmyname after a bogus AI-generated phishing report from Funko's brand protection vendor BrandShield.
This website is hosted on Bluesky(danielmangum.com)
664 points by hasheddan | 153 comments
Daniel Mangum's blog post explaining how he hosted a website using Bluesky's AT Protocol infrastructure, a known but unintended use of the service.
Yi Peng 3 crossed both cables C-Lion 1 and BSC at times matching when they broke(bsky.app)
469 points by perihelions | 579 comments
A Bluesky post showing AIS tracking data that the Chinese cargo ship Yi Peng 3 crossed the C-Lion 1 and BSC Baltic undersea cables when they broke.
The Bluesky firehose viewed in the style of a Windows XP screensaver(firehose3d.theo.io)
479 points by consumer451 | 123 comments
A 3D web visualization that streams live Bluesky posts as text flying through a tunnel, styled after a Windows XP screensaver.
Maybe Bluesky has "won"(anderegg.ca)
395 points by GavinAnderegg | 668 comments
Blog post arguing about Bluesky's rise as users flee X, and contending that Bluesky is currently neither federated nor decentralized.
Brazil's X ban is sending lots of people to Bluesky(theverge.com)
351 points by rvz | 615 comments
The Verge news article reporting that Brazilian users are flocking to Bluesky after Brazil banned X.
The Internet Archive is under a DDoS attack(mastodon.archive.org)
409 points by toomanyrichies | 166 comments
Social media post from the Internet Archive announcing archive.org is under a DDoS attack, with data unaffected but most services unavailable.
XZ backdoor: "It's RCE, not auth bypass, and gated/unreplayable."(bsky.app)
1207 points by junon | 743 comments
Bluesky post by Filippo Valsorda sharing preliminary analysis that the xz backdoor enables gated, unreplayable RCE via a hooked RSA_public_decrypt verifying an Ed448 signature.
Bluesky announces data federation for self hosters(bsky.social)
684 points by jakebsky | 407 comments
Bluesky blog post from Feb 22, 2024 announcing that the Bluesky network is federating, allowing users to host their own data servers.
The AT protocol is the most obtuse crock of shit(urbanists.social)
344 points by todsacerdoti | 354 comments
A Mastodon post by Sam Wight criticizing Bluesky's AT Protocol as needlessly complex, with poor account portability and unvalidated cryptography.
So this guy is now S3. All of S3(chaos.social)
524 points by aendruk | 332 comments
Mastodon post showing that Bluesky handles verified by serving a file from a domain let someone claim an S3 domain handle.