Rotation Key Census, December 2025

On 2025-12-7, I looked at 4.1M accounts that have been active on Bluesky / the Atmosphere recently.

I found the following users who have strong control over their identity via rotation keys or other mechanisms:

In total, I found 1,489 recently-active users (0.036%) who have strong control over their identity.

Custom rotation keys are uncommon on Bluesky PDSes (0.0034% of users), and somewhat more common on third-party multi-user PDSes (2.38% of users)