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submitted 4 days ago* (last edited 4 days ago) by npdean@lemmy.today to c/youshouldknow@lemmy.world

I recently learned that voting on lemmy is not anonymous. Anyone can get information about who has upvoted and downvoted a post or comment.

In combination with your IP, this is a massive privacy (maybe even physical security) risk. Also, people can target you for your votes.

Sadly, this is something where I would prefer Reddit over Lemmy. Big tech scrapes data from both places anyways, at least Reddit is safe.

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[-] Dholi@lemmy.ca 40 points 2 days ago

at least Reddit is safe.

Lmao, what!? Reddit tries their best to know exactly who you are, where you live, your education, where you work, etc... And then they sell that data to anyone.

Yes, exactly! This is just what they hoard on iOS devices:

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[-] socsa@piefed.social 20 points 2 days ago

A lot of people here still refuse to understand that Lemmy, as it currently exists, is a privacy nightmare, and the voting thing is just the top of the iceberg. There are several de-anonymization attacks possible involving dynamically serving different content to different users. This, combined with the public voting makes it possible that someone can dox an account and expose a lot more information than other forums where that information is more private.

Public votes also open the fediverse up to much worse astroturfing IMO. It's incredible feedback for bots and trolls to see exactly who is interacting with their posts and comments. It's frustrating that a bunch of people here have convinced themselves of the opposite, and insist that public voting is the only way to combat brigades and trolls, which is an incredibly shortsighted stance which doesn't scale nearly as well as it does in the other direction.

[-] TriflingToad@sh.itjust.works 12 points 2 days ago

iirc someone got banned from like 25 subs because they downvoted a single post that said "I want YOU to generate more AI slop" and the mod got pissed and power tripped super hard

[-] prole 3 points 2 days ago

Just don't say anything that you wouldn't say in public. I'm willing to defend anything I've ever said here.

[-] socsa@piefed.social 3 points 2 days ago

Again, it's shocking how on this singular issue, we find "if you have nothing to hide you have nothing to fear" acceptable.

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[-] discosnails@lemmy.wtf 14 points 2 days ago

I was unaware that it was unclear to anyone but children and the intellectually behind that anything you do on the Internet is traceable to you without significant countermeasures.

[-] Stosh@lemmy.world 3 points 2 days ago

I don't think worrying about upvote is necessary im just saying

[-] npdean@lemmy.today 1 points 1 day ago

It is not about the vote. It is about knowing what is public and what is not.

[-] Luci@lemmy.ca 19 points 2 days ago

I’ll downvote everyone here if I damn well please it!!!

[-] SugarCatDestroyer@lemmy.world 2 points 1 day ago

Freedom is a luxury and anonymity is a crime. After all, how can any slave think to hide his intentions from his masters?

[-] jeena@piefed.jeena.net 181 points 4 days ago

Why is public voting a massive privacy and physical threat but public posting and commenting is not?

[-] Azzu@lemmy.dbzer0.com 83 points 4 days ago* (last edited 4 days ago)

Would be my question as well. It seems quite obvious that if you participate in publicly viewable discussion, that the stuff you do is publicly viewable.

If you don't want it associated to your physical person, use a VPN and unidentifiable account name.

(And the statement "at least reddit is safe" seems absolutely ridiculous to me.)

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[-] Xylight@lemdro.id 21 points 3 days ago

If you're an instance admin, for any post, you can just click "view votes" and see everything tied to usernames, even outside your own instance. Moderators can too, but it's restricted to the communities they moderate.

[-] moseschrute@lemmy.zip 10 points 3 days ago* (last edited 3 days ago)

So if a bad actor wanted to get aces to vote data, they could setup and instance and have it federate with any instance they want to extract voting data from?

[-] Xylight@lemdro.id 10 points 3 days ago

Yes, it's very simple too. You don't even need to extract anything from a database or do some complicated stuff. As an admin you have free access to all moderation tools no matter where the post is from, including the option to "view votes".

[-] gazby@lemmy.zip 38 points 3 days ago

Sir, this is the Fediverse.

[-] npdean@lemmy.today 23 points 3 days ago

It is nowhere explicitly made clear to users that voting is public. It should be made clear if it is going to be

[-] gazby@lemmy.zip 15 points 3 days ago

It's the other way around here: Everything is public except where it's made clear that it won't be (e.g. email address, password).

For what it's worth, your instance of choice is particularly negligent in regard to informing its users. Compare lemmy.today/legal to lemmy.world/legal, or their respective signup pages for examples. There's little that Lemmy itself or the community at large can do about that 😞

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[-] TrickDacy@lemmy.world 97 points 4 days ago

Why are you saying IP addresses are publicly shown here and why is (almost) no one correcting you? That would've been an enormous privacy risk that would've required intentionally fucking users over. Just doesn't even make sense to write what you did about IP addresses. Seems like you're just hoping to cause some panic.

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[-] Wispy2891@lemmy.world 31 points 3 days ago* (last edited 3 days ago)

The IP address thing is not real, though

Just choose a nickname that is random word+4 random digits and don't reuse it on other services

[-] disobey2623@lemmy.dbzer0.com 21 points 3 days ago

This is the way. Randomise your usernames and use a password manager to keep track of them.

[-] sirico@feddit.uk 6 points 2 days ago

I try not to downvote without commenting so they should be aware

[-] TriflingToad@sh.itjust.works 5 points 2 days ago* (last edited 2 days ago)

this is the way. I HATE when people downvote for no reason and don't even attempt to have a conversation about it

edit: goddamn it you goofballs 😂

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[-] daniskarma@lemmy.dbzer0.com 66 points 4 days ago

Don't tell anyone, but your posts and comments are also public.

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[-] Smeagol666@crazypeople.online 24 points 3 days ago

Are you sure about that? Reddit is a fucking cesspool.

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[-] teft@piefed.social 45 points 4 days ago* (last edited 3 days ago)

I like piefed because it lets you see at a glance if someone is a serial downvoter. On each piefed user profile is a thing called “attitude” and it’s a ratio of your upvotes vs downvotes. ~~100% means the person doesn’t downvote people. 50% means they downvote and upvote equally. 0% is only downvotes.~~ Edit: I saw someone today with negative % so it must be 100% is all upvotes. 0% is half upvotes half downvotes. -100% is all downvotes.

It shows up for people outside piefed too so i see you too lemmy angry people.

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[-] M0oP0o@mander.xyz 25 points 3 days ago

In combination with your IP, this is a massive privacy (maybe even physical security) risk. Also, people can target you for your votes.

No.

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[-] jason@discuss.online 38 points 4 days ago

Russia really should just leave Ukraine, though. (Sorry, I just saw the context for this a few minutes ago and can't help myself).

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this post was submitted on 10 Aug 2025
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