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Title	Interoperability Benefits And Challenges In Smart City Services: Blockchain As A Solution
ID_Doc	33127
Authors	Biswas S.; Yao Z.; Yan L.; Alqhatani A.; Bairagi A.K.; Asiri F.; Masud M.
Year	2023
Published	Electronics (Switzerland), 12, 4
DOI	http://dx.doi.org/10.3390/electronics12041036
Abstract	The widespread usage of smart devices with various city-centric services speeds up and improves civic life, in contrast to growing privacy and security concerns. Security issues are exacerbated when e-government service providers trade their services within a centralised framework. Due to security concerns, city-centric centralised services are being converted to blockchain-based systems, which is a very time-consuming and challenging process. The interoperability of these blockchain-based systems is also more challenging due to protocol variances, an excessive amount of local transactions that raise scalability and rapidly occupy memory. In this paper, we have proposed a framework for interoperability across various blockchain-based smart city services. It also summarises how independent service providers might continue self-service choices (i.e., local transactions) without overloading the blockchain network and other organisations. A simulated interoperability network is used to show the network’s effectiveness. The experimental outcomes show the scalability and memory optimization of the blockchain network. © 2023 by the authors.
Author Keywords	blockchain; distributed ledger technology; IoT; security and privacy; smart home

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