Smart City Gnosys

Smart city article details

Title	State-Of-The-Art Solutions Of Blockchain Technology For Data Dissemination In Smart Cities: A Comprehensive Review
ID_Doc	52962
Authors	Mohd Shari N.F.; Malip A.
Year	2022
Published	Computer Communications, 189
DOI	http://dx.doi.org/10.1016/j.comcom.2022.03.013
Abstract	The concept of a smart city has been introduced to address the shortfalls of urbanization. The aid of technologies in smart cities is envisioned to be the key initiative to mitigate these challenges. However, the technologies exposure imposes challenging issues for the traditional centralized data dissemination schemes in smart cities. Consequently, smart city is undergoing a transition to a decentralized system through the implementation of blockchain technology. This paper presents an extensive survey of blockchain applicability for data dissemination in smart cities. We focus on the components of smart: transportation, healthcare, education, energy and building in smart cities and analyze state-of-the-art work on the integration of these components with blockchain. We discuss the advantages and shortcomings of existing literature and evaluate the performance efficiency and the extent of security and privacy achieved. The analysis leads to our new design of a secure smart city data dissemination framework using blockchain technology. To the best of our knowledge, this is the first comprehensive abstraction in the literature that can be utilized for the designation of future blockchain-smart cities data dissemination schemes with the inclusion of participating entities. Finally, we present open research issues and challenges and discuss future research directions.
Author Keywords	Blockchain; Data dissemination; Privacy; Security; Smart cities

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