this post was submitted on 18 Feb 2026
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Brave CEO claims news about Brave Browser tracking its users is “fake news” (cyberinsider.com)
submitted 1 day ago by Beep@lemmus.org to c/technology@lemmy.world
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The Privacy Illusion: How Brave Browser Built Its Own Surveillance Machine.

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[–] XLE@piefed.social 25 points 1 day ago (1 children)

This is what Cambridge Analytica (the one that illegally profiled Facebook users to help Donald Trump) says about Brave:

When you browse in Brave, the browser locally records your attention—which ads you view, for how long, what you click. This data never leaves your device in raw form, a feature Brave emphasizes repeatedly. But then it gets converted into tokens that represent your interests and behavioral patterns. These tokens are sent to Brave’s servers, where they’re matched with advertiser demand.

This is also what the Mozilla advertising network claims they do.

But Brave claims their ad network is truly private, while Mozilla's is not. I don't know if that's true, but it is true that Brave doesn't enable their ad network by default, and Mozilla does.

Either way, remember to disable the ad network.
And consider writing Mozilla a polite letter about turning it off by default.

[–] Bazoogle@lemmy.world 3 points 18 hours ago (1 children)

They explain it a bit more in the article:

According to Brave’s published technical materials, ad matching occurs locally on the user’s device. The browser downloads an ad catalog and selects relevant ads based on interest signals stored on the device. When a user views an ad and qualifies for a reward payout in Basic Attention Token (BAT), the confirmation process uses blind signatures to validate the event without revealing browsing history or identity to Brave’s servers. The company has repeatedly stated that it does not build centralized browsing profiles and cannot link ad activity to specific individuals.

I don't use nor recommend Brave to people, but if advertising is going to be done this seems like the way it should be done.

[–] XLE@piefed.social 1 points 15 hours ago

Maybe the right way in terms of privacy, but I find it all to be rather monopolistic. (Brave's ad replacement is infamous in this respect; they trashed it but blocking publisher ads and creating their own is pretty similar to their initial proposal).

I'm also not totally sold on differential privacy because, as far as I know, it's still relatively experimental and not very battle-tested. I remember Mozilla saying something to the effect of anonynization only working if a large pool of users commit to their tests.