@alex great requirements spec 👍 FWIW, #Perkeep documentation traces almost the same arc. https://perkeep.org but its written in a million lines of Go according to Openhub, so would it be a bit of a risk?

IPFS has been built on, #Filecoin for nodes to store copies of data in lieu of cryptocurrency.

Personally, I am only looking at Bittorrent (magnet URIs that use their DHT, not trackers).