Re: [tor-talk] Browserprint fingerprinting website

[cube@xxxxxxxxxxxxxxxxx]

>
>Why are you saving the user IP addresses? Your privacy policy says they're
>saved as a salted hash, but why store this at all? It seems fairly
>unfriendly to user privacy to have a database of fingerprints AND
>associated IP addresses sitting around.
>

It's a fairly standard thing to do on a fingerprinting website.
It helps us group related fingerprints together.
It allows us to look at how often repeat users who change their IP could have been tracked using their fingerprint.
It allows us to better identify sets of spam fingerprints (although this isn't such an issue since the CAPTCHA was added).
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