Why almost every Captcha library out there generates images so colorful that could almost cause epilepsia, if the very first thing that any captcha breaker will do is to convert the image to grayscale?!
On captcha security
Reply
Why almost every Captcha library out there generates images so colorful that could almost cause epilepsia, if the very first thing that any captcha breaker will do is to convert the image to grayscale?!