That'd still be exploitable. You could just run 3 of your own instances. Coming up with a system to stop malicious users that can't be gamed would be tricky.
Caching only if some number of your own users upvote might work.
That'd still be exploitable. You could just run 3 of your own instances. Coming up with a system to stop malicious users that can't be gamed would be tricky.
Caching only if some number of your own users upvote might work.