Patent ID: 7096204

Claim:
A method of brokering a transaction between a consumer and a vendor by a broker, wherein the consumer, the broker and the vendor are all attached to a public network, the consumer having a secure token containing a true consumer identity and using a computing platform comprising a trusted component adapted for physical and logical protection against interference and containing a secure processor, the method comprising: authentication between the secure token and the secure processor; the consumer obtaining a temporary identity from the broker by using the true consumer identity from the secure token; the consumer selecting a purchase to be made from the vendor; the consumer requesting the purchase from the vendor and providing the temporary identity to the vendor; the vendor requesting transaction authorisation from the broker by forwarding the request and the temporary identity to the broker; the broker matching the temporary identity to a current list of temporary identities, and obtaining the true consumer identity; the broker providing authorisation for the transaction based on transaction details and true consumer identity.