IC card application system is replacing magnetic bar code card. It is an advanced system because of its advantages and the application field is very extensive.

IC卡应用系统由于其自身的优势正逐步代替磁卡等应用系统，应用领域非常广泛。

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Tough IC card appears late, it has the best prospects. IC card will become the mainstream by superseding the cards using widely now, such as photoelectricity card, bar code card and magcard.

其中IC卡是卡片家庭中出现最晚，但却是最有前途的一种，最终它将取代现在广泛使用的光电卡、条码卡、磁卡的地位而成为主流。

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On the back of the card, a 2d bar-code along with a regular one and a magnetic stripe triplicate all the information on the front.

在卡背面，2d条形码，普通码和磁条将所有信息三重储存在卡正面。

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To use a card at checkout, a cashier can either scan the card's bar code from the smartphone or type in the member's ID number.

WSJ: Store Loyalty Cards on Your Smartphone

Those without printers can grab a free PayNearMe card at one of 7-Eleven's 6, 000 locations and use the card's bar code in lieu of a printed sheet.

FORBES: Entrepreneurs

He also sees a trend toward e-gift cards or virtual gift cards, which boil the card down to a bar code--no plastic necessary.

FORBES: Magazine Article