Invention Grant
US08818907B2 Limiting access to account information during a radio frequency transaction 有权
在射频交易期间限制访问帐户信息

Limiting access to account information during a radio frequency transaction
Abstract:
The present invention provides a system and method for facilitating a RF transaction using a secondary transaction number that is associated with a user's primary transponder account. The user provides the secondary transaction number, often with limited-use conditions associated therewith, to a merchant to facilitate a more secure and confident transaction.
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