| 摘要 |
A device (51) and method useful for the provision of secure payment and c ertification of digital content access, the device having at least one IC ch ip (12) contaming an operating system and memory provisions, an interface of a plurality of N plated electrical input contacts (21-28) connected to the chip and at least one operating system able to process information and recal l data stored on the chi There is at least one encoding mathematical formula stored on the chip that generates a response to input provided by entering a prescribed sequence of electrical inputs to the contacts through a card re ader (52) There is at least one human interface (54) that prompts the end us er (50) to enter data. |
