How to make your very own CAPTCHA
Posted in Development by Alex | Tags: captcha, code, script, tutorialCAPTCHA – a familiar term to some of us but also a weird word for others, nonetheless CAPTCHA is one of those thing everybody comes in contact somehow. Like the name tells it CAPTCHA is a acronym for Completely Automated Public Turing test to tell Computers and Humans Apart. Basically it`s whole purpose is to tell if you are a human or a bot.
The system is a security feature first implemented by Yahoo, and soon spreaded on a big number of systems to improve security. The CAPTCHA is a representative image containing squiggly words that asks the user to type the word inside a form. A thing that a machine cannot possibly do.
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