Besides SPC for ActivityPub, I am also working on SPC for web server to client message passing.
This paper was recently accepted for the Internet Architecture Board’s workshop on AI control:
The main point that I would like to get across is that people should be able to have their privacy rights and rights in their own work respected – whether they choose to communicate and share their creative work on someone else’s site, on their own site, or in a federated way.
There is also a practical consideration. Considering the difficulty of explaining how an LLM generated a particular output, it is impractical for LLM operators to comply with the requirement to disclose “inferences” under some privacy laws. Enabling people to exclude private information up front would reduce compliance issues for LLM operators later.