| 摘要 |
One application of this invention is where, a cashier at a bank or business can use an optical barcode scanner to obtain and transmit a registered ID on any currency, transmit a verification request to a Registration Authority, and receive a reply to determine whether the RSID is genuine, under surveillance, or has been previously reported as being fraudulently reproduced (counterfeited). A computer system, is used to track unique identifiers of Items to reduce losses due to fraud. A unique identifier (RSID) is assigned to each Item. The RSID is used to authenticate the Item is valid for use. As counterfeit RSIDs are detected, they are added to a computer database, enabling comparison of an RSID to all of the already known and counterfeit Items RSID's. The RSID may further be used to identify the location of the Item. By identifying the location where the request for authentication occurred, any subsequent request for the same RSID is assessed by people or computers executing tracking and assessment software programs. The RSID requestor is compared to other recent requests for the same RSID. If the time and physical distance between locations are reasonable as per computer program models and data, then no action is taken; however, if a RSID is reported at nearly the same time in distant places, or outside a reasonable transportation time limit for the last known reported location of the Item, then an alert message is sent to the requestor indicating the Item may be counterfeit, so that the requestor more closely inspects the Item(s).
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