Abstract
Supply chains are evolving into automated and highly complex networks and are becoming an important source of potential benefits in the modern world. At the same time, consumers are now more interested in food product quality. However, it is challenging to track the provenance of data and maintain its traceability throughout the supply chain network. The traditional supply chains are centralized and they depend on a third party for trading. These centralized systems lack transparency, accountability and auditability. In our proposed solution, we have presented a complete solution for blockchain-based Agriculture and Food (Agri-Food) supply chain. It leverages the key features of blockchain and smart contracts, deployed over ethereum blockchain network. Although blockchain provides immutability of data and records in the network, it still fails to solve some major problems in supply chain management like credibility of the involved entities, accountability of the trading process and traceability of the products. Therefore, there is a need of a reliable system that ensures traceability, trust and delivery mechanism in Agri-Food supply chain. In the proposed system, all transactions are written to blockchain which ultimately uploads the data to Interplanetary File Storage System (IPFS). The storage system returns a hash of the data which is stored on blockchain and ensures efficient, secure and reliable solution. Our system provides smart contracts along with their algorithms to show interaction of entities in the system. Furthermore, simulations and evaluation of smart contracts along with the security and vulnerability analyses are also presented in this work.
Highlights
The Supply Chain Management (SCM) is a group of processes and sub-processes carried out for transforming raw material into a final product, maximizing customer value and achieving a maintainable competitive advantage [1]
All the important aspects of a secure and efficient supply chain system are taken into consideration which are elaborated in the following sub-sections: 1) Accountability By implementing blockchain in the proposed scheme, complete decentralization is achieved
We have proposed an end to end solution for blockchain-based Agri-Food supply chain
Summary
The Supply Chain Management (SCM) is a group of processes and sub-processes carried out for transforming raw material into a final product, maximizing customer value and achieving a maintainable competitive advantage [1]. In addition to the responsibility of maintaining traceability, supply chain systems act as a gateway for trading products These systems process huge amount of transactional data and add more complexity to the network architecture. Blockchain plays a significant role in evolution of supply chain with its inherent properties like decentralization, transparency and immutability It provides smart contracts leveraging safe trading transactions among entities. Our paper aims to contribute in the growing work on blockchain-based Agri-Food supply chains and provides an end to end solution. It acts as a better alternative to the existing Agri-Food supply chain systems enabling a scalable and auditable system It presents the algorithms of smart contracts and evaluates them for vulnerability and their costs of gas and Ethers over the ethereum network.
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