Captcha based on encyrpting and decrypting user data by mathematical operation

This version include two important page 'Contact' and 'Register' with the 'Math-Captcha' method submit for prevent hacker attack.

dongsx

This gem enable to use Captchme. Anti spam, Monetize captcha and Audience qualification

Simple lib to generate a math_captcha to prevent spammers in form. Supports localization.