A Highly Stable and Reliable 13.56-MHz RFID Tag IC for Contactless Payment

Radio frequency identification (RFID) has been widely used for contactless payment. However, modifying sensitive data such as balance stored in an RFID tag over an air interface requires high stability and reliability, particularly when the tag is being moved away from the RFID reader (such phenomenon is called card tear). Previous countermeasures of card… CONTINUE READING