Captcha

Captcha Where are CAPTCHAs being developed?
Where are CAPTCHAs being developed?
Where do CAPTCHAs come from? The CAPTCHA was created at Carnegie Mellon University in 2000. The name is short for Completely Automated Public Turing t...
Captcha How captcha works
How captcha works
How does CAPTCHA verification work? The most common form of CAPTCHA is an image of several distorted letters. It's your job to type the correct series...
Captcha Captcha game
Captcha game
Is Captcha a game? A CAPTCHA is a challenge-response test used on the Internet to prevent bots from accessing web services that are designed for human...