For hundreds of years philosophers and artists have asked “what is it to be human?”

And about 10 years ago tech bros discovered that it’s actually our ability to tell which pictures contain bridges.

@BethanyBlack we're going into weird directions with this because yesterday I got to know from github that apparently "not a robot" is when you can solve a sha256 sudoku https://github.com/mCaptcha/mCaptcha#how-does-it-work
GitHub - mCaptcha/mCaptcha: A no-nonsense CAPTCHA system with seamless UX | Backend component

A no-nonsense CAPTCHA system with seamless UX | Backend component - mCaptcha/mCaptcha

GitHub
@selfisekai @BethanyBlack
Well.. normal Captchas no longer provide any sort of security anymore - once, because of AIs, second - because https://2captcha.com/ charges you only under 1 euro for 1000 Captchas solved.

Proof of work actually makes your machine compute something (i.e. "waste some power") - this is acceptable to an end user once in a longer while, but completely unacceptable to an attacker who wants to launch a large scale attack.

It's sad that we have to resort to things like those, but it's just the only real way out. Unless you're aware of something better, of course.
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@kspalaiologos @BethanyBlack if the baseline is 2captcha then I feel like we're just gonna replace the "$0.50 for 1-2 hours" workers with fpgas and raspberry pi clone clusters. maybe at least it's gonna be accessible to blind users, and not as annoying from user perspective, but who knows.
@selfisekai @BethanyBlack Well, that does sound a little better, no? And yeah. Relaying the captcha work to some compute clusters is definitely gonna be a thing. But keep in mind that they are expensive.

@kspalaiologos @BethanyBlack another aspect is that making the requests (together with solving captcha) could become a part of some botnet. which will be more noticeable to affected users due to resource usage, but still effective.

I mean, I'd like to see this in practice, especially as someone who rather has captchas to solve than to enforce. but that might not be the goal of them in the first place.