Verification in the chip environment of a cash card. The cryptogram is sent to the issuing bank or processor. There, it is compared by the chip with their central file (their authorization system). – See rejection, community card, computer payment, chip card, EFTPOS, money, electronic, guilloche, card, multifunctional, card use file, network money business, passbook, ticketing, electronic.
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University Professor Dr. Gerhard Merk, Dipl.rer.pol., Dipl.rer.oec.
Professor Dr. Eckehard Krah, Dipl.rer.pol.
E-mail address: info@ekrah.com
https://de.wikipedia.org/wiki/Gerhard_Ernst_Merk
https://www.jung-stilling-gesellschaft.de/merk/
https://www.gerhardmerk.de/