In connection with cash card transactions, the negative response to an authorization request from the card-issuing bank. An application authentication cryptogram is created and stored to filter out conspicuous card users. – See authorization, computer payment, money, electronic, ATM lock, wallet, electronic, cash card, money laundering, card authentication, card use file, credit card, network money business, pay per touch, radio frequency identification, scoring, 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/

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