Lemmy

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Everything about Lemmy; bugs, gripes, praises, and advocacy.

For discussion about the lemmy.ml instance, go to [email protected].

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

submitted 1 year ago by [email protected] to c/[email protected]

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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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[–] [email protected] 12 points 1 year ago (7 children)

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.

[–] [email protected] 6 points 1 year ago (3 children)

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.

[–] [email protected] 5 points 1 year ago (2 children)

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

[–] frostphunk 1 points 1 year ago

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

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