Often Found Visiting Websites, What is Captcha? Foto: CLEOVA HOLIDAY NEWS - The words 'I'm not a robot' are often encountered when we want to visit a website on the internet or log in to an account on a website. In addition to the text followed by instructions to click on the box or select the image according to the instructions. The test is known as Captcha. Captcha is a form of challenge-response test used in computing to ensure that a given response was not generated by a computer. Simply put, captcha is a verification system created by Google to differentiate human users from bots. However, what exactly is a captcha? What does it do and how does it work? The following is an explanation from various sources. History of Captchas The term captcha comes from English which means capture. This technology was initiated by three researchers from Carnegie Mellon University, namely Luis von Ahn, Manuel Blum, and Nicholas J. Hopper, with the help of John Langford f
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