| 摘要 |
A method and system for tagging an item with a security feature to allow subsequent authentication of the item. The system includes a secure reader for reading both a unique code on an item, such as a barcode, and a security feature applied to the item. The system may be used with a batch of security features for individual application to the item to tag the item. A database is also provided for storing for each tagged item details of (i) the unique code on the item, and (ii) the security feature for that tagged item.
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