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Smart city article details

Title	Trusted Data Infrastructure For Smart Cities: A Blockchain Perspective
ID_Doc	59104
Authors	Fu, YG; Zhu, JM
Year	2021
Published	BUILDING RESEARCH AND INFORMATION, 49, 1
DOI	http://dx.doi.org/10.1080/09613218.2020.1784703
Abstract	It is very important to improve the operation and management efficiency of data and network for the construction of smart cities. The current trust infrastructure in smart cities shows obvious shortcomings, accordingly, this paper proposed the idea of applying blockchain to smart city systems and as their trust infrastructure. The research method is: firstly, the network architecture and data architecture of smart cities were proposed, and the database was classified as a shared database, authorized access database or private database. Secondly, the overall architecture model of the blockchain in a smart city system was constructed, and the blockchain was classified as a public blockchain, consortium blockchain or private blockchain. Thirdly, the realization principle of the cross-blockchain interoperability of different blockchains, the construction principle of dynamic smart blockchains, and the selection method of blockchain authentication nodes were designed, and the supervision method and supervision content of blockchain system operation were discussed. The research result is: took the smart transportation subsystem as an object, through algorithms, the operation principle of the blockchain was constructed. This research can provide a reference for the construction of trust infrastructure in smart cities and can promote the application research progress of blockchain technology.
Author Keywords	Smart city; blockchain; trust infrastructure; database

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