Understanding CAPTCHA: History, Usage, and Effectiveness

CAPTCHA, which stands for "Completely Automated Public Turing Test to Tell Computers and Humans Apart," is a well-known security measure used to identify between bots and real users on the internet. Let's look at its origins, evolution, applications, and limits.

History of CAPTCHA

The inception of CAPTCHA dates back to the late 1990s when researchers at Carnegie Mellon University, led by Luis von Ahn, Manuel Blum, and others, sought a solution to prevent automated bots from infiltrating online platforms.

The …

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