Smart card technology
"A Contact less Smart Card". It is a plastic card containing a small chip that includes a microprocessor and memory. The same size as a credit card, A smart card with contact has gold contacts that allow it to communicate with various smart card readers; and a contact less smart card has RFID circuit that allows it to communicate with various smart card readers. It can contain much more data than a magnetic strip and can be programmed to reveal only the relevant information. For example, it could tell a device in a store that there is sufficient balance in an account to pay for a transaction without revealing the balance amount. Unlike Magnetic Cards the data in smart card is stored in Encrypted format for higher security. The smart card has processor that allows it to be programmed for different applications depending on user needs. Along with Finger Impression that will also be stored in encrypted format.