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This is not a CAPTCHA: > Completely Automated Public Turing test to tell Computers and Humans Apart The scheme presented here proves that a certain amount of
by ddtaylor 7y ago
This is not a CAPTCHA:
> Completely Automated Public Turing test to tell Computers and Humans Apart
The scheme presented here proves that a certain amount of hashing work was done, but doesn't prove that a human did that work. Oddly enough, no human can complete this task by hand.
- patrickmcnamara 7y agoIn fairness, it explicitly says that it isn't. It says that it is an alternative. It's name is even "wehatecaptchas".