Invention Grant
US09189659B2 Secure code generation for customer tracking 有权
安全代码生成用于客户跟踪

Secure code generation for customer tracking
Abstract:
Techniques for securely managing user-specific benefits. An authentication server receives a request for a user-identification code from a computing device. The authentication server generates the user-identification code. The authentication server also generates an expiration date associated with the user-identification code. The authentication server transmits the user-identification code and the expiration date to the computing device. The authentication server also validates the user-identification code received from a code scanning system.
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