Gift token produced as integrated circuit Smart Card

摘要

The purchaser goes to the token issuer (1) and pays in an amount of money. He is issued with a "Smart Card" (2) which is then given to the recipient. Details of the card are transmitter to a central computer (3). The recipient of the gift token card takes it to a supplier of goods or services. The supplier inserts the card in a machine (4). The machine interrogates the central computer (3) to verify the card. If the goods or services cost less than the value of the token, the machine issues a new card for the remaining value of the original card.