The smart card implements techniques such as card and terminal authentication, electronic signature, online resource management, selective or systematic PIN control, and balance control.
The bank can also earn interest on the float, which is the total of the balance in the all issued electronic purses. For the retailer and his customers, the electronic purse is a secure, convenient, and fast payment method. With the electronic purse arrival, financial institutions can now cover the whole range of personal financial transactions with an adapted payment smart card.