Two solutions that I see:
- Mods and/or admins need to be notified when a post has a lot of upvotes from accounts on the same instance.
- Generalize whitelists and requests to federate from new instances.
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
Two solutions that I see:
Reddit had/has the same problem. It's just that federation makes it way more obvious on the threadiverse.