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From the #ActivityPub spec, it seems like servers must know your social graph as an inherent part of the protocol. Is this correct?

I'm writing a privacy-centric social media app that hides your social graph, and I'd like to adapt it to AP but that seems impossible. Possible approaches include:

a) embed an AP server in the client app to do the AP server role (is this realistic?)

b) continue with my own protocol and build a bridge to AP

Any other ideas? All thoughts welcome!

@evan
@cwebber