SmartCards A Smartcard is a standard credit card sized plastic card with an integrated circuit embedded in it. This integrated circuit includes a microprocessor and a bit of memory, which together hold information in electronic form and controls who uses the information and how they use it. The Smartcards ability to store and control many different types of information, as well as its large storage capacity, gives rise to several Smartcard applications. For example, a single Smartcard could take the place of a credit card, a debit card and even be used as an electronic purse to carry Electric-cash (E-cash). The plastic card itself can incorporate words and pictures or graphics printed on