Electronic online commerce card with transactionproxy number for online transactions

US5883810A · kind A · utility

Assignee

• Microsoft Corporation · US

Inventors

• D. Chase Franklin · Seattle, US
• Daniel Rosen · Bellevue, US

Key dates

• Filing date: Sep 24, 1997
• Grant date: Mar 16, 1999
• Expiry date: Sep 24, 2017

Classification

• Technology area (CPC G): Physics
• CPC primary: G06Q20/425
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

An online commerce system facilitates online commerce over a public network using an online commerce card. The "card" does not exist in physical form, but instead exists in digital form. The online commerce card is issued electronically to a customer by an issuing institution. The issued card is assigned a permanent customer account number that is maintained on behalf of the customer at the issuing institution to remove the risk of the number being lost or s stolen. When the customer desires to conduct an online transaction, the customer asks the issuing institution to issue a transaction number for a single transaction. The issuing institution generates a temporary transaction number and associates it with the permanent account number in a data record. The customer receives the transaction number and submits that number to the merchant as a proxy for the customer account number. The transaction number looks like a real card number and the merchant handles the transaction number in the same manner as any regular credit card number. When the merchant submits an request for authorization, the issuing institution recognizes the number as a transaction number for an online commerce car…