Invention Grant
US09183362B2 Method and system for verification of human presence at a mobile device 有权
用于在移动设备处验证人的存在的方法和系统

Method and system for verification of human presence at a mobile device
Abstract:
A method and system is provided for verifying human presence at a mobile device. The method includes receiving a request for verification. Further, the method includes sending a Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) challenge to the mobile device. Further, the method includes receiving a response to the CAPTCHA challenge. Finally, the method includes verifying the human presence by matching the response received to the CAPTCHA challenge sent.
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