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. 2024 Feb 8;10:e1776. doi: 10.7717/peerj-cs.1776

Table 2. Illustrates the research questions.

Research questions Motivations/Objectives
What are the applications and types of UAVs? To know about the applications and types of UAVs.
What are the challenges of UAVs in smart cities? To know about the different types of challenges of UAV-based systems in smart cities.
What are the solutions to key challenges with the of integration blockchain with UAVs? To know about the solution to these challenges related to blockchain integration with UAVs.