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CAPTCHAs or “Completely Automated Public Turing tests to tell Computers and Humans apart” are a type of computerized Turing test to determine whether a user is a human or not.

CAPTCHAs usually consist of a distorted image of a word and a textbox to answer what that word is, but CAPTCHAs could also be math problems, 3D images, image identification and more.

Despite misconceptions, reCAPTCHA, a variation of CAPTCHA that was created by Luis von Ahn and later acquired by Google, is just one of many deployments of CAPTCHA technology.

Google reCAPTCHA
This Article Was Last Updated: May 3, 2020 @ 2:22 am