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Why do I need a mobile phone verification code to log in to a cool dog account?
SMS verification code is an effective verification code system by sending verification codes to mobile phones. Both large websites, especially shopping websites, have the verification code function of SMS, which can ensure the safety of shopping more accurately and safely and verify the correctness of users.
Some authentication code providers provide SMS authentication code service. Each website sends a request to the provider's server through the interface, and the server sends random numbers or letters to the mobile phone, and the provider's server verifies the authentication code uniformly.
SMS authentication is a certificate given to consumers (users) by enterprises, and the identity is verified by the verification code of SMS content. The most commonly used are online banking, online shopping malls, group buying websites, ticketing companies and so on.
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