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Interesting difference from Reddit: Upvotes/Downvotes are not anonymous (programming.dev)

submitted 1 year ago by o_o@programming.dev to c/lemmy@lemmy.ml

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Hey folks! Just realized something that makes Lemmy different from Reddit. Because of the federation, your votes are not technically anonymous on Lemmy. At least, I think.

Although there’s no UI to look at a user’s voting history yet, one could conceivably be built by an instance. Perhaps coincidentally, I hear there’s instances out there populated by mostly bots?

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[-] JackbyDev@programming.dev 9 points 1 year ago

Maybe you could hash the user and post together somehow this way it is hashed but also unique per post. If you only hashed the username then the entirety of the user's voting history would be known if the hash was reverted.

[-] o_o@programming.dev 7 points 1 year ago

Could be hashed and salted, with a random salt.

The trouble is, then, that it’s harder to disallow users from voting multiple times if the voting user isn’t on the post’s home instance.

[-] CarbonIceDragon@pawb.social 4 points 1 year ago

Couldn't someone vote multiple times anyway by just having a bunch of different accounts?

[-] frostphunk@lemmy.world 0 points 1 year ago

That’s always been a problem on Reddit and is on Lemmy now too though

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this post was submitted on 22 Jun 2023

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