News for hackers. Stuff that matters.
Re:mCaptcha – Proof of work based, privacy respecting CAPTCH... by realaravinth on Thursday August 04, 2022 @04:21AM (#32340522)
The math is performed by the browser. All the user will have to do is tick a checkbox.

Here's a demo: https://demo.mcaptcha.org/widget/?sitekey=pHy0AktWyOKuxZDzFf...

disclosure: I'm the author of mCaptcha

Re:mCaptcha – Proof of work based, privacy respecting CAPTCH... by _448 on Thursday August 04, 2022 @08:25AM (#32341916)
Commercial spammers use high-end resources, where as users don't have that luxury. So will it not be easy for the spammers to scale the resources to overcome this?
Re:mCaptcha – Proof of work based, privacy respecting CAPTCH... by web007 on Thursday August 04, 2022 @04:30PM (#32347935)
It's not that they can't scale, it's that you want them to HAVE to scale, to make it more expensive to attack your site than another one.