Composite card refers to a card with two different media, magnetic stripe and chip, which realizes the functions of magnetic stripe card and chip card. The composite card can be brushed with magnetic stripe, inserted with chip or paid without contact.
Compared with magnetic stripe card, chip card has higher security and more functions, such as storing more information, supporting password protection and supporting offline transactions. Therefore, composite cartoons are often used in occasions with higher security requirements and more functions, such as bank cards, credit cards, access cards, membership cards and so on.