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daniel holmgren 🫠 (@ ietf 126)
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daniel holmgren 🫠 (@ ietf 126)

@dholms.at
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just trying to build a little network we can all hang out in head of protocol @ bsky 🌅

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Daniel's Leaflets
Daniel's LeafletsJul 17, 2026
Permissioned Data Diary 7: Off the Record
In which we put records in a repo, sign them, and sync them (but not quite the way you think).
15
permissioneddata
Daniel's Leaflets
Daniel's LeafletsJun 5, 2026
Permissioned Data Diary 6: Boring Auth
In which we resist the temptation to invent a clever authorization model & pick the boring one instead.
22
atproto
Daniel's Leaflets
Daniel's LeafletsJun 2, 2026
Modeling communities on permissioned data
Arguing against "universal spaces" and raising a couple questions that come up as a result.
9
atproto
Daniel's Leaflets
Daniel's LeafletsMay 8, 2026
Permissioned Data Diary 5: What’s in a Name?
In this permissioned data diary, we dive deep into the URI structure for permissioned data on atproto and use it to motivate a bunch of the larger design.
41
permissionedatprotocol
Daniel's Leaflets
Daniel's LeafletsMar 20, 2026
Permissioned Data Diary 4: The Big Picture
A special edition of the data diary that sketches out the rough shape of where we're heading.
7
permissionedatprotocol
Daniel's Leaflets
Daniel's LeafletsMar 17, 2026
Permissioned Data Interlude: Spaces
In which I retcon the naming of everything.
1
permissionedatprotocol
Daniel's Leaflets
Daniel's LeafletsMar 12, 2026
Permissioned Data Diary 3: Your Bucket, My Data
The third in a series of posts building up a solution to permissioned data on atproto. We look at two different models for where buckets live and why the simpler-looking one doesn’t work out.
4
permissionedatprotocol
Daniel's Leaflets
Daniel's LeafletsFeb 26, 2026
Permissioned Data Diary 2: Buckets
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.
3
permissionedatprotocol
Daniel's Leaflets
Daniel's LeafletsFeb 11, 2026
Permissioned Data Diary 1: To Encrypt or Not to Encrypt
The first in a series of posts about major design decisions along the way to a permissioned data protocol for atproto.
8
permissionedatmosphere
Daniel's Leaflets
Daniel's LeafletsDec 2, 2025
PLC Threat-modeling & Auditability
atproto