How to Use the Anti-counterfeiting Tags in Supermarket?

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RFID-tags are the low cost passive devices that are widely used these days to provide appropriate identification of goods and products in stores and malls. An RFID tag has an antenna, which is connected to a microchip. Due to the incorporation of microchip, they are considered to be a step ahead of bar codes with many more functionalities and storage spaces. RFID-tags are gaining popularity for the quick identification speed of products they are attached to. With the chip embedded RFID-tags offers a set of functionality that could be used for the security purposes in any supermarket, showrooms, shopping malls and many other places. The technology used in microchip of these tags, evaluate the authenticity of any product, therefore RFID-tags are used to detect items and eliminate counterfeiting.


RFID technology is mostly popular for providing labeling solutions to facilitate inventory control by automating, but its potential to provide anti-counterfeiting solutions are still less-known. It can offer cryptographic authentication schemes with the capability of data protection. A well implemented RFID security solution can provide complete product protection against, intellectual property theft, illegal cloning and denial of services attacks. An anti-counterfeiting RFID tag enables automatic and efficient verification of product. 


Lately, several schemes have been developed to deploy RFID tags in anti-counterfeiting processes like, Numeric token, where a unique and unpredictable number that is a virtual token is assigned to each product. This scheme is widely used in supermarkets and related places to avoid the circumstances of any kind of theft or fraud. These tags can be attached to every product in a supermarket and with a properly implemented RFID system installed. 


There are various other RFID-tags schemes, which are used for the anti-counterfeiting purposes including, strengthened Electronic Product Code (EPC) tags for secure authentication. The EPC is a globally acclaimed unique identification method for physical objects. This method aims to increase the efficiency and visibility of supply chains across the world with its in-depth approach to authenticate products. There is another approach that can also be used to suffice the purpose of anti-counterfeiting tags in supermarket and all other supply chains that is track-and-trace approach. This approach involves tracking and tracing products across a supply chain, using EPC infrastructure. Under this, products or cartons are incorporated with RFID-tags, which contain an EPC number, which can provide product information through an Object Name Server (ONS).

For the better physical protection of products in supermarkets, Physical Unclonable Functions (PUFs) are also embedded in the anti-counterfeiting RFID-tags. Therefore, to protect any product from counterfeiting, radio identification plays an essential role for its authentication and security. 

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