







Continuing from my previous leaflet on private data, I want to explore three broad schemes for shared-private storage that I’ve seen emerge in various propos…
[Proposal] Shared private Data for social posting
seconding a sidecar private PDS endpoint attached to the DID document as a good approach in the general case (in an implementation of private data I did which never saw the light of day, this was the approach I took), though obviously it imposes additional constraints on a first mover building this out.

Permissioned Data Diary 2: Buckets - Daniel's Leaflets
The second in a series of posts building up a solution to permissioned data on atproto. We introduce buckets: a new protocol primitive for creating a shared social context.
Permissioned Data Shapes: Self-Only Bookmarks - Nick's Blog
A self-only space is the smallest shape permissioned data can take: one authority, one member, one repo, and private bookmarks that share a record shape and a write path with public ones.
Evaluating permissioned spaces for community contexts - meri's missives
A look at Bluesky's proposed approach to private data on ATProto
Private data: developing a rubric for success - Paul's Leaflets
What will an effective solution look like?
Permissioned Data Diary 1: To Encrypt or Not to Encrypt - Daniel's Leaflets
The first in a series of posts about major design decisions along the way to a permissioned data protocol for atproto.
Ente Photos: Store and share your photos with absolute privacy
Ente Photos is the private, secure photo storage app with end-to-end encryption. Cross-platform, open source, and self-hostable. Start with 10GB free.

Willow - Home
Peer-to-peer protocols which scale up, down, and sideways. Sychronisable data storage, fine-grained access control, private and efficient synchronisation, and secure data delivery by any means possible.
Spaces as Layers - Nick's Blog
Public anchor records paired with sidecar records in permissioned spaces give ATProtocol apps a composable pattern for blending open discoverability with controlled access.
Personal data storage is an idea whose time has come
Data Ownership as a conversation changes when data resides primarily with people-governed institutions rather than corporations.

Encrypted Spaces — Research preview
An architecture for collaborative applications where data is encrypted and operations are cryptographically verifiable.

ar.io - Permanent Cloud Storage for Critical Data
Protect critical data with ar.io's permanent, decentralized cloud storage. Ransomware-proof, always accessible, and pay once for forever access. Zero data lost since launch.

Rethinking Digital Storage for Community-Based Archives
Over the last few decades, the standard procedure for storing and backing up data has been ‘put it in the cloud.’ Many of us use cloud…
