| 摘要 |
<p>METHOD FOR APPROVING CARD TRANSACTIONS AND METHOD FOR MANAGING CARD TRANSACTION APPROVAL INFORMATIONA method for approving card transactions includes storing pattern information on a pattern type of attribute information of a plurality of cards contained in respective block on the basis of identification numbers of the cards. The method further includes generating a master file that includes header information including pattern typeinformation and storage position information of each block, and body information in which attribute information of the cards is stored on a block by block basis based on the storage position information, and determining whether to approve a card transaction on the basis of the master file.FIG. 5</p> |
