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misterdata
on Nov 25, 2014
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“No-CAPTCHA” reCAPTCHA
Why not use some kind of Bitcoin-like proof-of-work system for this?
http://pixelspark.nl/public/pow.html
has a working demo
pixl97
on Nov 25, 2014
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Because bots will commonly run on stolen computer time. The bot doesn't care how much of your computer processor it uses.
MatthewWilkes
on Nov 25, 2014
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Because
http://insidebitcoins.com/news/mit-students-charged-with-vio...
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