SYSTEM AND METHOD FOR SECURED ACCOUNT NUMBERS IN PROXIMITY DEVICES

摘要

A method and system for using a secured account number for processing proximity types of wireless financial transactions associated with portable consumer proximity devices is disclosed. In one embodiment, the method includes receiving a proximity type of wireless financial transaction request along with a secured account number from a portable proximity consumer device such as a contactless smart card, converting the secured account number to the user's real account number, and transmitting the financial transaction request along with the user's real account number to the issuer of the user's real account number for authorization and processing.

主权项

1. A portable consumer device comprising:
a processor; a wireless transmission module; one or more storage elements for storing a real account number and a secure account number associated with the real account number, the secured account number and the real account number being associated with the same account, wherein when the portable consumer device is interacting with a point-of-sale terminal to conduct a transaction, the portable consumer device:
determines whether the transaction is a proximity transaction; andprovides the secured account number instead of the real account number to the point-of sale terminal via the wireless transmission module when the transaction is a proximity transaction.