Yes. Brave focuses on providing random data points each time it’s asked (e.g. screen size). A hardened Firefox will try to provide a generic fingerprint.

Apples to oranges more or less, I’m unaware of any proof that one or the other is considerably better across the board. Though my gut does tell me that randomization is a lot better in the specific situation of regularly signing in and out of accounts.


mullvad browser which is a TOR browser fork, seems to defeat per-session.

brave strict fingerprint protection on its own actually does not even do this afaik

halfempty, avatar

I believe that Firefox has a mechanism where millions of users all have the same fingerprint, which makes the whole concept of browser fingerprinting useless.


Catch is you have to enable it manually

Tosti, avatar

Which setting is that?


It’s under the shield on the left of the address bar, better protection against tracking enables this and a bunch of other features. Also on by default in private mode.

Tosti, avatar



You don’t want a randomised fingerprint, as that is relatively unique among a sea of fingerprints [1]. What you want is a fingerprint that’s as similar to everyone else (generic) as possible; that’s what Firefox’s resist fingerprinting setting aims to do, and what the Tor browser does.

[1] There are many values you can’t change, so the randomisation of the ones you can change could end up making you more unique … think of it like having your language set to french but are based in the USA — that language setting can’t uniquely identify the French in france, but will stick out like a sore thumb if set in shitsville Idaho. It’s likely the same if you use firefox but have your user agent set to chrome; that’s more rare and unique than not changing the user agent at all.

Rez, avatar

But isn’t randomization supposed to give you a different unique fingerprint each time? So yes, you would be unique and easily tracked but only until your fingerprint changes


So what’s the benefit of this over blending in each time?


I don’t think there is any proven results, but I think the reason the EFF prefers Braves decision is the philosophy that there are so many data points that it could be possible to link you to it using the ones not standardized by anti fingerprinting.

Like ways to incorrectly describe someone. One describes a guy correctly but generically. One describes a guy with a lot of detail but the wrong race and two feet too short.


That was addressed above, you ever see “identical” twins? They look exactly the same if you see then once, twice, 3 times, but if you see both of them constantly, you’ll start seeing the small difference in them and then be able to identify who’s who. Same exact thing.

linearchaos, avatar

Yes it is, and that’s why the EFF recommends it.


Where do the EFF recommend randomisation? From the EFF’s surveillance self defence course.

This can be an effective method for breaking persistence, but it is important to note that a tracker may be able to determine that a randomization tool is being used, which can itself be a fingerprinting characteristic. Careful thought has to go into how randomizing fingerprinting characteristics will or will not be effective in combating trackers.

They don’t directly recommend either… But then on

In practice, the most realistic protection currently available is the Tor Browser, which has put a lot of effort into reducing browser fingerprintability. For day-to-day use, the best options are to run tools like Privacy Badger or Disconnect that will block some (but unfortunately not all) of the domains that try to perform fingerprinting, and/or to use a tool like NoScript( for Firefox), which greatly reduces the amount of data available to fingerprinters.

So the EFF seem to recommend generic over randomisation…

Maybe ask yourself why the Tor project decided against randomisation?

linearchaos, avatar

No, that’s absolutely incorrect. You want a new fake fingerprint every single time someone asks your browser for your information. You want it to lie about your plugins, user agent, your fonts and your screen size. Bonus if you use common values, but not necessary.

The randomized data they’re providing isn’t static and it isn’t the same from session to session.

100% White noise is a far better obfuscation than a 40% non-unique tracking ID. Yes, your data is lumped in with 47 million other users, but used in conjunction with static pieces of your data you become uncomfortably identifiable.


this is the correct answer


The whole point of the poster above is that you can’t ramdomise 100%


Yeah… I don’t know why a bunch of privacy bros think they know better than the CS and cryptography PhD’s of the Tor project; the most advanced and complex privacy and anonymity preserving project in computing history.

linearchaos, avatar

So far, as far as I can tell, for desktop, yes.

Brave plus privacy badger seems to be the strongest anti-fingerprint that you can lay your hands on at the moment.

I have waded waist deep through about 15 anti-Brave posts where people have told me to try different combinations of plugins and browsers. Somebody claimed duckduckgo would do it, but once I installed it and found out it didn’t support plugins, I walked away immediately.

Everybody seems to direct most of their hate toward the CEO and the crypto. As far as I’m concerned those two things don’t bother me anywhere near as much as their thirst for funding. I’m pretty sure they wouldn’t have any qualms about selling 100% of my data off to anyone willing to pay to stay afloat. But in the end that’s probably not all that different from Microsoft or Google.

Brave is keeping up with the Joneses for YouTube ad blocking. It’s reasonably quick and supports all of my Chrome plugins.

I absolutely cannot get Firefox to pass the fingerprint test. If I could convince Firefox to pass that test I would strongly consider backing off my usage of brave.

Onii-Chan, avatar

It's very telling when the only criticism you really see leveled against Brave is that same article everybody posts as some kind of trap card, despite the fact it can be boiled down to "don't use Brave because the CEO is a bigot or something, and you have to opt out of their crypto stuff." Cool. I don't care about those things, I care about the browser's ability to do what I need it to, and Brave does. Are you putting your trust in a company that could be selling your data? Sure, that's always a risk, but until it's been confirmed, I'm happy to stick with it. I mean shit, it even beats out GrapheneOS's Vanadium in the fingerprinting test, and that's the browser I use on my phone.

imo, the hate against Brave is unfounded and seems to be coming from the anti-Chromium crowd. There are valid arguments to be made against it, but I honestly couldn't give less of a fuck what their CEO believes as long as the product works as advertised, and Brave consistently scores highly in privacy and security tests.

mintycactus, avatar

There is also double standards issue, as CEO done ‘horrific’ things before even Brave existed, than he was Mozilla CEO and exactly this time Firefox was boycotted by some idiots in favor to use other browser (those argument were exacttly as dumb as nowadays about Brave).


Exactly, it’s childish cancel culture for completed unrelated nonsense. It’s one thing to be anti Chrome, but being anti Chromium is stupid, let alone that brave did a good job about it.

I’d like to see what peoples personal opinions are on every single Firefox dev, as well as the complete Mozilla corporate hierarchy… Oh ya, they don’t know, so it’s cool. Then of course the completely history and belief system of the devs of every browser addon they use as well. That type of stupidity has no end.


I can’t even get that page to load without a lot of JS allowed. I guess I’m not going to get my score anytime soon.

Jamie, avatar

Weird, it usually works fine without JS.


It just keeps reloading and after 5 tries it gives up. I could probably go through each domain manually but I’d like it if they could let me keep the 3rd party domains disabled.


I believe no. I’m running Firefox with arkenfox user.js and when I take this test it shows a new and different fingerprint if everytime i close and reopen the browser. Feel free to try it for yourself.

And while Brave may be private from outsiders, it is far from private from Brave Software themselves and I wouldn’t trust them if I was honest with you. If you want an alternative chromium based browser, check out Vivaldi. They don’t have aaaas many privacy features built in as Brave does but you can still get very private and obviously tack on Ublock origin and a customized DNS block list like you normally would with any other browser. And they are significantly more trustworthy than Brave

mintycactus, avatar

Unless you stop using Firefox Account or Vivaldi Account, which are both real spy tools, not telemetry, which is indeed harmless and hellpfull not only to devs, but to yourself (to make browser better), Brave accountless sync will always 100% better solution in terms of privacy and security.

Lemongrab, avatar

Maybe Cromite (the main bromite fork) would be better. Vivaldi isn’t great, but it also isn’t brave. It allows for blocklist importing and user scripts, and is on desktop Windows as well.

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