A system and method for securing a Radio Frequency (RF) transaction using a Radio Frequency Identification (RFID) transaction device are provided. A random number is transmitted from an RFID reader to an RFID transaction device, an RFID transaction device authentication tag is created in the RFID transaction device, using at least the random number, a routing number associated with a transaction account, and a stored counter value. The RFID transaction device authentication tag is transmitted to the RFID reader, the stored counter value in the RFID transaction device is incremented, and a transaction request for verification, which comprises the RFID transaction device authentication tag and the stored counter value, is transmitted and processed. Either the RFID transaction device authentication tag or the stored counter value, or both, are verified.

 
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