ic card number, is the ic card chip in the factory, the chip is inherent in a serial number, this number is unique, and can not be changed.
IC card is an integrated circuit card, IC card chip has the ability to write data and store data, can determine the contents of the IC card memory. Because the IC card has the characteristics of small size and easy to carry, large storage capacity, high reliability, long service life, strong confidentiality and high security.