Google's Street View computer vision can beat reCAPTCHA with 99% accuracy - Hackdot

Re:Google's Street View computer vision can beat reCAPTCHA w... by PeterisP on Wednesday April 16, 2014 @06:43PM (#7600974)

1. Unlike e-mail accounts or such, a botwriter wouldn't be able to get thousands of such signatures to go on as soon as the first one is identified and blocked; if he puts his own key in the bot - bam, you (and everyone else you know) can exclude him from your services permanently, and he wouldn't be able to come back with a fresh account unlinked to that one, ever.

2. The signature is linked to a specific person, so if the private key is stolen, then you (a) revoke it; and (b) punish the thief - because obtaining that signature most likely be treated as a felony, unlike spamming comments or other uses for breaking captcha's.

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Re:Google's Street View computer vision can beat reCAPTCHA w... by schrodinger on Thursday April 17, 2014 @05:28AM (#7602666)

If multiple signatures from the same key are recognizably the same person, wouldn't this have the unfortunate implication that your identity can be linked across different services? There'd be no way to have multiple email addresses anonymously without being able to trust the provider.

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