SMART CARD AND METHOD FOR PROCESSING TRANSACTION OF SMART CARD

摘要

PURPOSE: A smart card and a transaction performing method thereof are provided to reduce the number of EEPROM records while securing data integrity. CONSTITUTION: A RAM(Random Access Memory)(113) includes a transaction buffer space. A memory managing unit(115) prevent the change of the RAM according to storing log data in the transaction buffer space of a volatile memory. If transaction is completed, the memory managing unit copies the transaction buffer space of the volatile memory in the nonvolatile memory.