Objectives

Networking

Provider Cache

Remember Haves in a k-bucket structure acc. to local subscription and/or hash value. Can answer Want from cache; can locate providers based on distance metric. Unclear how to perform liveness check when protocol is stateful (TLS handshake).
NAT Traversal
- Hole Punching
  
  Requires coordination when NAT is endpoint-dependent. Coordinator nodes could be designated though a DHT, but latency and churn are problematic. Maybe Chord?
Gossip Membership Groups

Prefer peers with similar interests. Pubsub protocols (eg. gossipsub, episub) are suitable for single-root routing trees, which is not quite what we're after; in pubsub terms, we would have the URN as the topic, while every tracking peer forms a sub-topic (to which others interested in URN may or may not be subscribed). Maybe SCRIBE (Pastry) anycast? Look at Matrix "pinecone"?

Simplify verification by requiring history to be linear
Simplify initialising a multisig identity

Verification may allow the initial revision to have only one signature, regardless of the number of delegations.
Quorum overrides for personal ids

Cross-signing from multiple devices is inconvenient for personal ids. Macaroons could be issued which allow to confirm a change using only one second factor (HSM, password manager, ..). Or maybe just make the quorum threshold configurable.
Extension points for cobs (TBD)

Tasks

Turn this document into a CRDT.
Patches

Track code and comment on it.
- Leaderless verifiable multi maintainer (fearless also)
To ACL or to not ACL? Moderate or restrict?
Discovery of cobs from untracked peers

Indexing cob (cob-of-cobs)? Interrogation API?
CLI
Editor Plugin?