22 Dec 2014 Captcha Quicky

Synchronized captcha filling could overwhelm non-human attackers which can then consist only of a fraction of captchas done. This would make the captchas a useful source of information for a OnePerID,

Brain from: https://openclipart.org/detail/140701/brain-by-trubinial-guru

It is of course unclear if captchas can be effective; being human-easy enough and computer-hard enough. Also when an image needs challenging, computing the image generation could be expensive on the consensus system. (Possibly use cheaper ones like hanging blocks)

Reddit thread

Other Blog Posts