Permissioned data on atproto

How do you make a private room in a place with no walls?

Two ways in. Pick your depth.
for everyone

The plain-language tour

Metaphors instead of acronyms. A town of signboards, feeds, a velvet rope, and a courier you can actually play with. If you use Bluesky, you already know half of it.

Take the tour
for developers

The technical walkthrough

The protocol mechanics, post by post, through the draft spec. Spaces, permissioned repos, the credential cascade, off-firehose sync, with diagrams you can watch move.

Read the walkthrough
A tour through Daniel Holmgren's Permissioned Data Diary and the draft proposal (bluesky-social/proposals #94).
Same material, two depths. You can switch between them from inside either version.