From: Bill Frantz <[EMAIL PROTECTED]>
> >system, for example, recognition of the number on an image. In fact,
> This solution is subject to a rather interesting attack, which to my
> knowledge has not yet been named, although it is occasionally used
"Stealing Cycles from Humans" is the name I know for it.
I'm unsure, but this may be the first use.
http://www-2.cs.cmu.edu/~biglou/captcha.pdf
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