System for Credit Cards; method to manage a set of numbers of credit card and Method for making a credit card transaction.

摘要

A credit card system is provided, which is characterized by a large number of used credit cards and / or credit cards. These numbers and / or cards can be used in transaction e to reduce the possibility of malicious reuse of these numbers and / or cards. The credit card system discovers applications in remote credit card transactions, such as cheese transactions over the Internet phone. In addition, when a one-time card is used for the current card transaction,The so-called "Jin Ming" crime was abolished. There are several different characteristics to strengthen the credit card system, so that commercial security does not need to use the developed encryption and decryption.