How would you build a decentralized network of thick clients (all users are running their own servers on their computers)

[elcritch]

Couldn’t ActivityPub be used for this sort of connection? I’m still not up to speed on the whole protocol but it seems like Plemora implants a ActivityPub in Elixir. Could this be hacked like in https://github.com/wimvanderbauwhede/limited-systems/wiki/Hacking-the-Pleroma:-Elixir,-Phoenix-and-a-bit-of-ActivityPub ?