Abstract

Cyber-Physical Systems (CPS) have been growing in the evolution of interaction with the physical world. CPS can control and manages applications of the physical world around us. However, most traditional CPS-based systems have been designed and developed within the centralized system, which can violate security, trust, and privacy (STP). Blockchain is a potential solution to realizing CPS. It can provide data security and privacy through block hash generation and transaction validation schemes. Blockchain applications can enhance the performance of CPS through the peer-to-peer (P2P) communication mechanism. In this paper, we have described several challenges of CPS applications (i.e., smart grids and connected vehicles) and provided blockchain-based solutions to address STP challenges. The benefits of blockchain in CPS have been discussed in this paper. We also proposed a blockchain-enabled CPS and discussed the integration process of blockchain in several components of CPSs. The proposed solutions enhance the performance of CPS concerning security, privacy, and trust management.

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