Abstract
The smart city concept brings the next generation of urbanization. The smart city framework uses information and communication technology to develop, implement, and maintain sustainable development in smart cities. The participants are interconnected with the smart city environment through connected buildings, vehicles, and smart phones. Smart cities are facing a number of issues, including poor security, difficulty maintaining and upgrading equipment, high operating costs associated with building large data centers, and privacy leakage. The blockchain technology plays an important role in achieving efficient smart cities. Blockchain technology performs transactions across a wide network between untrusted parties in chronological order and digital ledgers in a decentralized database. The decentralized architecture of blockchain offers greater security for distributed systems. Although, there have been some concerns raised about the robustness of blockchain technology. Numerous cybersecurity flaws have been found in blockchain implementations. Blockchain technology enables transactions to be more transparent than the old centralized systems. Hence, the blockchain technology has been exposed to numerous vulnerable cyberattacks. As a result, cyberattacks lead to system breakdown, data loss, password thefts, and information theft. This chapter analyses the various types of cyberattacks in blockchain-enabled smart cities.
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