1851
PSA: Lemmy votes can be manipulated
(feddit.nl)
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
My point is you can have a mixed system. For example:
That's not a ton of data, and the "special interest" users wouldn't need to be synchronized to any other instance. The client would store the WoT data and update the server as needed (this way the server doesn't need any transitive logic, the client handles it).
Facebook and Twitter have always had their equivalent of upvotes be public.