What Caused the Bluesky Outage? A Look Behind the Crash
May 13, 2025

Bluesky, the decentralized social network, faced unexpected downtime recently – leaving users scratching their heads about how such a failure could happen on a supposedly distributed platform.
The disruption began at 6:55 PM ET on a Thursday evening, when Bluesky posted a status alert acknowledging major service issues affecting both the web and mobile apps. The culprit? “Major PDS networking problems,” according to the platform’s engineering team. Thankfully, services began recovering by 7:38 PM ET, but the incident opened up bigger questions about Bluesky’s architecture.
Isn’t It Decentralized?
Yes – and no.
Bluesky is built on the AT Protocol, which enables decentralization by allowing users to host their own personal data servers and relays. However, in practice, most users still rely on Bluesky’s official infrastructure. As a result, when Bluesky’s primary servers fail, so does the experience for the majority of its community.
Some early adopters running their own nodes were unaffected by the crash, highlighting what true decentralization could eventually look like. But for now, Bluesky’s vision of a self-hosted ecosystem is more a roadmap than a reality.
The Theory vs. The Practice
The outage drew reactions from competing platforms like Mastodon, which operates using a federation model. Mastodon users were quick to take jabs. One user quipped, “Bluesky’s down while my Mastodon instance running on a toaster is just fine.” Another joked, “So much for decentralization, huh?”
Bluesky aims to enable diverse, independently moderated communities in the long term. Projects like Blacksky are already experimenting with this concept by building inclusive and self-hosted digital spaces. But the Kansas City crash served as a reminder: decentralization isn’t achieved overnight.
Despite the quick recovery, the outage revealed the current limits of Bluesky’s infrastructure – and the risks of depending on a centralized backbone in a decentralized world.
Source: techjuice.pk