METHOD AND SMART CARD FOR PROCESSING TRANSACTION DATA
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United States of America Patent
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Issued Date -
Oct 20, 2016
app pub date -
Sep 9, 2014
filing date -
Dec 4, 2013
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Abstract
The present disclosure provides a method for processing transaction data and a smart card. The method comprises: acquiring by a smart card transaction request information; reading by the smart card a state identifier of a last transaction; performing by the smart card a check calculation on the transaction request information, if the state identifier of the last transaction indicates that the last transaction is confirmed; outputting by the smart card the checked data and storing by the smart card transaction information of this transaction into a transaction log; displaying by the smart card key information of this transaction after this transaction is completed; and marking by the smart card a state identifier of this transaction as a confirmed identifier according to a confirmation operation, if the smart card receives the confirmation operation for the key information of this transaction within a predetermined period of time.
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