That's a very good question! The website is first and foremost aimed to improve the Tor browser (even though it will open its doors to every browsers after that). This means that, at first, we would only collect fingerprints coming from Tor browsers and not from users redirecting their network traffic through Tor. I plan on having statistics for different versions of the Tor browser so that we can follow evolution or potential regressions. Then, from the developers side, the website will be built in a way that tests can be added and removed really easily. Contrary to Panotpiclick or AmIUnique where the set of collected attributes is fixed, I'll try to make it as easy as possible to add a test to the website with a link to a ticket in the Tor bug tracker and a way to collect statistics for this specific test. I want to emphasize on that point because common attributes like the user-agent or the size of the screen that are collected in browser fingerprints are already covered by the Tor browser. However, when a new fingerprinting technique is discovered or when a new browser API is launched, it is really hard to get an insight into how much identifiable information is in there without running a test and getting concrete data. Finally, from the user side, I want to give the tools to users to understand what each collected attribute is and what to do in case his or her browser fingerprint is far from an acceptable one. In the end, the main mechanisms are very similar to Panopticlick (collection and statistics) but the set of added features aimed primarily at the Tor browser and the Tor community is what will set this website apart from others. I hope my explanations are clear enough. If you have additional questions, I'll be happy to answer them. Pierre On 04/24/2016 01:01 PM, Virgil Griffith wrote: > It's unclear to me how this would be different than standard > panopticlick with >50% of the users using TBB. But those not using TBB > with had browser statistics like the rest of the web (for example, all > of the tor2web traffic). > > -V >
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