Blockchain-based Digital Twin for Supply Chain Management: A Literature Review and Future Research Directions
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Supply chain management plays an essential role in our economy, as evidenced by recent COVID-19-induced supply chain challenges. Traditional supply chain management faces security and efficiency issues, but they can be addressed by leveraging digital twins and blockchain technology. The integration of blockchain technology can benefit the digital twins through improved security, traceability, transparency, and efficiency of digital twin data processing. A digital twin is an exact virtual representation of a physical asset, system, or process to synchronise data for the monitoring, simulation, and prediction of performance. Thus, the combination of blockchain and digital twins can refine the concepts of both technologies and reform supply chain management to advance into Industry 4.0. In this literature survey, we provide a comprehensive literature review of the blockchain-based digital twin solutions to optimise the processes of data management, data storage, and data sharing. We also investigate the key benefits of the integration of blockchain and digital twins and study their potential implementation in various processes of supply chains, including smart manufacturing, intelligent maintenance, and blockchain-based digital twin shop floor, warehouse, and logistics. This paper has implications for research and practice, which we detail in future research opportunities.
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