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Blockchain has revolutionized supply chain system security, especially with Internet of Things integration. Deploying blockchain in the supply chain incorporates immutability, transparency, and traceability mechanisms that promote secure data sharing and interactions between stakeholders in trustless environments. A blockchain-based supply chain as a layered architecture consists of three main layers: supply chain, blockchain, and IoT. This type of system is safer and more transparent, with better traceability than traditional supply chain; however, the system faces several security issues. This paper briefly discusses the primary security challenges related to blockchain-based supply chain systems.
Ismail et al. (Wed,) studied this question.