What is Chinese CAPTCHA?

Chinese CAPTCHA demo
Chinese CAPTCHA example

Chinese CAPTCHA is a type of CAPTCHA that distinguishes between computers and humans by employing challengeresponse tests that most humans can pass easily, but current computer programs cannot solve. While the conventional CAPTCHA uses English characters and numbers, in this project, we present a novel CAPTCHA, called CCAPTCHA, which uses Chinese characters. Although CCAPTCHA exploits the composition of Chinese characters, it can be solved by using observation skills, even if users do not have a Chinese language background. Moreover, it is designed to use mouse-based input, and is thus compatible with emerging handheld devices.

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