Reading Proposal 0016: What atproto’s “Permissioned Data” Actually Does (opens in new tab)
AT Protocol is public by default. Everything you write goes into a signed, archived, and rebroadcastable repository that anyone can read from and moves through relays. This core design decision makes the network so legible and easy to build on, but it also blocks entire types of apps, like private groups, gated content, member-only forums, or anything that isn’t meant for everyone.
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