Abstract
The astounding technological advancements and massive urbanization calls for the advent of “Smart cities” to ensure the best living standards of its residents. Smart cities use information and communication technologies (ICT) to generate efficiencies, improvise sustainability, encourage economic development, allow business to thrive, boost innovation, assure judicious energy and resource consumption, reduce wastage and enhance quality of life for people. This thus requires perpetual storage of data related to basic components of a smart city and its continual surveillance. The fundamental characteristics of a blockchain make them the most lucrative platform to store valuable data essential for smooth functioning of smart cities. It also ensures the privacy, authenticity and confidentiality of this data. This chapter first identifies the essential elements of a smart city, then provides a detailed literature on the existing techniques to realize a smart city, highlights their shortcomings and explains how blockchain contributes towards their effective implementation.
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