Patent ID: 7051004

Claim:
A method comprising: receiving a request for a product from a requesting node, the request received by a providing node; providing the request from the providing node to an authorizing node; receiving a permit from the authorizing node in response to the request, conveying a first electronic digital data in a first protected transfer to deliver the permit to the requesting node; conveying a second electronic digital data in a second protected transfer to deliver a product to the requesting node identified by the permit; preventing the requesting node from identifying the authorizing node; receiving at least two reports from a plurality of reports during a time period wherein the plurality of reports include a permit request report, a permit delivery report, a product delivery request report, a product delivery commencement report, and a product delivery completion report; grouping reports into tuples of related reports; determining whether a particular report is unmatched; determining whether a particular tuple is incomplete; and providing notice of a breach of security in accordance with at least one of whether the particular report is unmatched and whether the particular tuple is incomplete.