IDENTIFICATION OF COUNTERFEIT PRODUCT USING BLOCK CHAIN TECHNOLOGY

MCA

With the increasing globalisation and the quickening pace of technological advancement, the quantity of production and the ease of finding counterfeit products have increased to vast range levels. To deter counterfeiting of food, drugs, or luxury products, all sorts of industrial manufacturing and distribution companies are now seeking greater transparency in supply chain activities.. In order to detect fake goods in the supply chain system, this article offers a decentralized Blockchain-based application system (DApp). Due to the rapid advancement of Blockchain systems, it is now widely accepted that the records kept there is safe and unalterable. Therefore, the project that is being proposed here uses this concept to deal with the transfer of ownership of products. A customer can verify the distribution and ownership details of the products by scanning a Quick Response (QR) code generated by the DApp for each product linked to the Blockchain Index Terms: Counterfeit, Supplychain, Blockchain, Ethereum, QR Code. tool in the fight against counterfeiting. End users may quickly and accurately identify counterfeit goods by comparing them to trained models thanks to automatic image and text recognition and classification of product information. [4]. In this study proposed by De Li et al.(2017) a brand-new anti-counterfeiting method and a highly reliable digital watermarking technique were proposed. We used a QR code as the carrier image, which is created using the pertinent data of the copyright owner, and added the owner's information as a watermark on the QR code. After that, we used watermark detection and two-dimensional bar code scanning techniques to extract the watermark data from the QR code. We could evaluate watermark information and scanning data to confirm its validity in order to meet the goal of anti- counterfeiting. The experiment demonstrated the method's resistance to attacks such as compressive, rotational, and noise attack. [5]. The pharmaceutical supply chain can easily track the history of drugs thanks to blockchain technology. The fact that the blocks in a blockchain are timestamped and immutable, making data tampering impossible, are two key features that make data on a blockchain secure and safe. A blockchain can be either public or private for an organisation. On these blockchains, the parties engaged in the production and distribution of the drug will share a distributed ledger. Additionally, these blockchains only offer restricted access, which is dependent on the parties' data-sharing agreement. We can fully trace the movement of pharmaceuticals via blockchain, from manufacturers to final users in the system proposed by Kumari K & Saini K. (2019) The block supply chain stores the information each time the medicine moves from one entity to another. This makes medicine tracing simple and aids in the fight against industry-wide counterfeiting [6] This study proposed by Shreekumar et al. (2022) uses blockchain and supply chain technologies to demonstrate a contemporary and practical phenomenon. These technologies already provide high levels of security and transparency for the system, but this study adds some additional characteristics by using one-time password (OTP) authentication to confirm the legitimacy of supply chain participants and products and to update product information in the block. It becomes ingrained in people to read product reviews before making a purchase[3], especially prospective buyers. Positive customer feedback can result in substantial financial gains for a firm, which can be used as information when making decisions on how to create products and what services to offer clients. The fraudsters attempted to take advantage of the current system by writing false reviews and offering an assessment that is unfair to either promote or discredit a product or service. This was done in relation to the financial gains made as a result of the positive reviews about the product or service from the customer. The goal of automatically detecting spammers is crucial, but research is still needed. [7] In this In this study, a brand-new product ownership management system (POMS) for products with RFID tags for counterfeit prevention that can be applied in the post supply chain is proposed by Toyoda et al.(2017). He use the blockchain concept of Bitcoin for this, where anyone can verify the balance evidence of ownership. If the seller does not have ownership of the counterfeit goods, the consumer can refuse to buy them even if the RFID

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