| 摘要 |
CAPTCHA (Completely Automated Public Test to tell Computers and Humans Apart) management methods and systems are provided. First, information trusted by a server and a client is determined. The server generates CAPTCHA data, and combines the information trusted by the server and the client with the CAPTCHA data. The server transmits the CAPTCHA data to the client. The client determines whether to perform subsequent operations based on the CAPTCHA data according to the information trusted by the server and the client.
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