tʃ ə/ KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. This CAPTCHA (Version 1 ) of 'smwm' obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.Ī CAPTCHA ( / ˈ k æ p.
This article may need to be rewritten to comply with Wikipedia's quality standards, as it feels like an essay criticising CAPTCHA.
