CAPTCHA is a divisive topic on HN, so you'll get a lot of people suggesting it's vital, and a lot saying it just isn't, depending on their own experiences. "Yo

CAPTCHA is a divisive topic on HN, so you'll get a lot of people suggesting it's vital, and a lot saying it just isn't, depending on their own experiences. "You probably don't need ReCAPTCHA" [0] is an article discussing techniques that has had decent discussion [1] on HN before. [0] https://kevv.net/you-probably-dont-need-recaptcha/ https://kevv.net/you-probably-dont-need-recaptcha/ [1] https://news.ycombinator.com/item?id=20158386 https://news.ycombinator.com/item?id=20158386