What are smart cards used for? Functionally, the uses of smart cards can be classified as follows:
Smart Card: Generic term for a plastic Card (usually the size of a credit Card) with a microchip embedded in it. Some smart cards contain a microelectronic chip and require data interaction through a reader.
Crystal cards are highly personalized new RFID smart cards with the characteristics of crystal clear appearance, strong three-dimensional sense, and waterproof.
The application of NFC security is mainly to virtualize mobile phones into access control cards, electronic tickets, etc.
In order to be compatible with contactless smart cards, the NFC standard specifies a flexible gateway system, which is divided into three working modes: point-to-point communication mode, reader mode and NFC card emulation mode.
The application of the NFC tag is to write some information into an NFC tag, and the user can immediately obtain the relevant information by simply swiping the NFC tag with the NFC mobile phone.