this post was submitted on 19 Aug 2024
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For anyone interested, there are a few papers on cryptographically secure voting, where both voter anonymity and election integrity are preserved.
Most designs consider three separate entities, where if you accumulate the information between those entities you would be able to identify a voter and his vote, but each entity on itself does not hold enough information.
The problem isn't keeping votes anonymous, that's easy. The problem is bots/spam. You could just create a new instance and then upvote a post from another instance a thousand times. If the votes are anonymous for the other instance it's tough to say if they are genuine users or just bots.
That's the main issue here, when votes are anonymous you could easily just spam votes with no way to trace it back. If it's a rogue instance then fine, you can ban the whole instance. But imagine if lemmy.world starts using fake votes in the background towards other instances.
What keeps from doing that right now? You can just create an instance and bot accounts on that
It would be damn easy to look up the instance and their "users" and see that the users are not genuine. Then ban the whole instance.