From the NetCity web site
Your NetCity.com Smart Card can be used for online purchases as well as in-store, point-of-sale purchases. Shopping transactions with your NetCity.com Smart Card are fast and simple. You don't need to spend time typing in your credit-card information into the computer, instead... you simply insert the smart card into the reader and enter your PIN code. Online purchases are secure because your information is confidentially encrypted and can only be accessed with a PIN. Your Netcity.com Smart Card also acts as a loyalty card. Every time you perform a transaction, it will collect points for free products and services offered through loyalty programs.
With your NetCity.com Smart Card, you will discover that shopping has never been so easy, convenient and secure.