Payment instrument authorization technique

Details Payment instrument authorization technique Payment instrument authorization technique

2005-08-16

2005-08-16

Trammell, James P. (Department: 3621)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Secure transaction

C705S064000, C705S065000, C705S066000, C705S075000, C705S077000, C705S078000, C713S152000

Reexamination Certificate

active

06931382

ABSTRACT:
A method is provided for protecting a payment instrument in non-face-to-face transactions. The payment instrument is issued by an issuing entity and associated with an authorized instrument holder. The authorized instrument holder is subject to authentication by a trusted third party with whom the payment instrument holder has previously registered. The method includes: the authorized instrument holder communicating with the issuing entity to block, on a default basis, authorization of the payment instrument for non-face-to-face transactions unless authorized to unblock the payment instrument by the trusted third party; prior to a non-face-to-face transaction, the authorized instrument holder communicating with the trusted third party to subject him or herself to authentication and to request that the payment instrument be unblocked; and the trusted third party authenticating the authorized instrument holder, and if the authentication result is positive, communicating with the issuing entity to request unblocking of the payment instrument.

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