Patent ID: 8931688
Filing Date: 2015-01-13
Classification: G07D

Abstract:
1. A system for currency validation of a currency note with a radio frequency identification device (RFID) embedded therein, said system comprising: a computer, a server and a communication channel connected to said computer; a smart phone including a RFID reader, a radio transmitter/receiver and an internet connection; an issuer/authenticator that issues currency notes with a value, a serial number and tamper proof seed message and wherein said serial numbers and said seed messages are saved on said server of and by said issuer/authenticator; a tamper proof RFID mu-chip embedded in a currency note and wherein said chip has 128 bits of storage and includes the value, the serial number of the currency note and its tamper proof seed message; means including said smart phone for sending an authentication request over said communication channel to said issuer/authenticator's server; means for sending a challenge value to the currency note from said issuer/authenticator via said communication channel and said smart phone; and means including said RFID mu-chip for calculating a response to a challenge using the currency note's serial number and seed message and said smart phone.