# [ARCHIVED] Project Doru
###### tags: `archived`
Data is the raw commodity for digital scoiety and human attention is the scarce resource.
# Stack
Each layer must be functional on its own and in a sensible combination with the others.
Journals
Avatars
Circles
DAOs
The stack is based
# Journals
Journals are end-user encrypted append-only logs stored on IPFS. Journals build on Textile ThreadsDB (which provides logs with a layered encryption schema).
For convenience we will label a collection of journals controlled by a single entity an identity, but note that this label is only visible to the entity.
Journals are built on a permissioning system that is controlled by the end-users. This open protocol, User-Controlled Access Networks ("UCANs"), is designed to handle service authorization without a centralised backend. The design is led by Fission (see an intro [blog](https://fission.codes/blog/auth-without-backend/)).
## UCAN permission network
## Layers of encryption
### metadata not centrally aggregated
## service policy
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## social recovery
## n-groups
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# Avatars
SAFE, L2
## interface web|web3
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# Circles