2001
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;
that would be the best way to do it, i guess if you go further you could let users filter which instances they would like to "count" and even have whole filter lists made by the community.