Patent ID: 7069248

Claim:
A method for providing an authentication service, with which one of a plurality of users each using a corresponding mobile device confirms a transaction with a corresponding server of one of a plurality of service providers using a central authentication server, said method comprising the steps of: the server of said one of the service providers sending display data to said mobile device without using said central authentication server, said data for displaying one or more products or services provided by the one of the service providers to the one of the users which can be purchased by the one of the users; said one of the users using input means of said mobile device for selecting one or more of said products or services for purchase; said mobile device automatically forwarding transaction confirmation data to the central authentication server; said one of said service providers using said server for retrieving said transaction confirmation data from said central authentication server; and billing one or more of said users and said service providers for said authentication service, wherein said central authentication server is configured to provide authentication of various transactions between each of said plurality of users via the user's corresponding mobile device and various ones of the plurality of service providers via the service provider's servers such that the plurality of service provides and the plurality of users utilize said central authentication server in common.