![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Smartcardchip_no_text.jpg/640px-Smartcardchip_no_text.jpg&w=640&q=50)
Contactless smart card
contactless credential whose dimensions are credit-card size / From Wikipedia, the free encyclopedia
A contactless smart card is a kind of smart card with integrated circuits that can process and save data. Most cards are as big as a credit card. They can receive information which is processed and delivered through radio. There are two main kinds of contactless smart cards.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Smartcardchip_no_text.jpg/320px-Smartcardchip_no_text.jpg)
(compared to a Canadian one cent piece)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/EPC-RFID-TAG.svg/220px-EPC-RFID-TAG.svg.png)
Many people believe contactless smart cards have a read-only RFID inside it. This is not true, but they do have a re-writable smart card microchip inside them. Contactless smart cards can be used for identification, authentication, and saving data.[1]