Bank card with display screen
A smart card, reader technology, applied in the field of bank cards, can solve the problem of manipulating display, impossible EMV chip, etc.
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[0013] figure 1 is a functional diagram of the first embodiment of the present invention. In this embodiment, the bank card 100 is a contact smart card comprising a security chip 101 with a communication interface according to the ISO 7816 standard connected to a connector 102 comprising contact pads also defined by the 7816 standard (contact pads). The secure chip 101 is, for example, a chip that complies with the EMV standard and contains data with restricted access and other so-called public data. Restricted-access data requires the use of passwords or encrypted messages, whereas public data can be accessed for reading and / or writing by any reader conforming to the ISO7816 standard.
[0014] During a payment using the security chip 101, the bank card 100 is inserted into a security reader which verifies the PIN number entered by the card's holder in order to verify that the card holder is the correct card holder , followed by the exchange of secure information via encry...
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