| 摘要 |
<p>A device (10) for use in a system for reducing fraud in financial transactions. The device (10) includes a member associated with a machine readable rotatably accessible optical data-containing structure (10), a machine readable magnetically encoded data-containing structure (12), and a circuit (14), each containing separate data sets. The device (10) is used as a data card in financial and other transactions. The separate data sets (12, 14) are individually accessible only with user input information (42), are compared (44) to such information and the other data sets to verify user identity and authorization.</p> |
