CAPTCHA - a computing scheme used to identity an entity as a human being and not a program, employing the current differences in text recognition capability between humans and computers.
Normal ways includes IP checking, account-handling, Turing test (e.g. CAPTCHA) and account action analysis.
CAPTCHA |
minteye’s products includes Sliding CAPTCHA, an image-based CAPTCHA that serves as an advertising platform, and Pre-Roll SKIP ad, a pre-scroll ad unit, which was implemented by AOL.