Abstract
The video created by a surveillance cameras plays a crucial role in crime prevention and examinations in smart cities. The closed-circuit television camera (CCTV) is essential for a range of public uses in a smart city; combined with Internet of Things (IoT) technologies they can turn into smart sensors that help to ensure safety and security. However, the authenticity of the camera itself raises issues of building up integrity and suitability of data. In this paper, we present a blockchain-based system to guarantee the trustworthiness of the stored recordings, allowing authorities to validate whether or not a video has been altered. It helps to discriminate fake videos from original ones and to make sure that surveillance cameras are authentic. Since the distributed ledger of the blockchain records the metadata of the CCTV video as well, it is obstructing the chance of forgery of the data. This immutable ledger diminishes the risk of copyright encroachment for law enforcement agencies and clients users by securing possession and identity.
Highlights
The prompt emergence of surveillance systems within metropolitan areas and services has been required to fulfill the necessities of the people for a better quality of life
Composer Playground of Hyper Ledger is used as a development and testing tool, which gives an environment that quickly designs and examines a custom blockchain interface
The Command-line interface CLI composer tool of web-playground is used for the coding of business network definitions
Summary
The prompt emergence of surveillance systems within metropolitan areas and services has been required to fulfill the necessities of the people for a better quality of life. There has been a remarkable evolution of digital devices, for example, smartphones, sensors, smart applications, actuators, and intelligent machines, which led to clear business goals for the Internet of Things (IoT) industry. The smart city is getting more intelligent than in the past due to the modern development of computer-aided technologies. Smart cities incorporate diverse kinds of electronic applications; for example, cameras in an observing framework, and sensors in a transportation framework. A smart city framework upgraded by the IoT innovation turns into a revolutionary idea; it likewise gets new concerns about the security of the information. Closed-circuit television cameras (CCTV) have emerged as the essential component of a smart city [1]
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