Invention Grant
US09460439B2 Dynamic card validation using user requested cell identifiers 有权
使用用户请求的小区标识符进行动态卡验证

Dynamic card validation using user requested cell identifiers
Abstract:
A card validation system receives a request to validate a card and receives a request from a user for a set of cell identifiers. The system determines a set of cell identifiers of a card validation matrix to associate with the user and transmits the set of cell identifiers to the user. The system further receives a set of received cell values corresponding to set of cell identifiers of a card validation matrix. The system determines the set of stored cell values corresponding to the set of cell identifiers of the card validation matrix. The system compares the set of received cell values to the set of stored cell values. Based at least in part upon the comparison, the system determines whether the card is validated.
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