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A comment on A captcha that requires your computer to solve equations in the background. Parent comment

Re:A captcha that requires your computer to solve equations ... by stri8ed on Sunday September 08, 2019 @12:33PM (#20911540)
Does nothing to filter out bots. It just acts as a rate-limiter per IP address.
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Re:A captcha that requires your computer to solve equations ... by lkwhanspeter on Sunday September 08, 2019 @12:43PM (#20911597)
This is correct, but neither does the WeHateCaptcha approach. Thus spending time is better for the environment then spending energy ;)
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Re:A captcha that requires your computer to solve equations ... by Kiro on Monday September 09, 2019 @01:54AM (#20915531)
No, it filters bots because spammers don't want to waste computing power/electricity. The delay is not the point.
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