Decentralized Blockchain Technology for the Development of IoT-Based Smart City Applications

Abstract

Most people nowadays are shifting to smart cities for better education, opportunity, and facilities. A smart city is a city that uses modern technology and that improves the facility or quality of the area by using modern technology, devices, or services. Researchers are using blockchain technology for the upgradation of quality of life and services. To improve the services in smart cities, people are using blockchain in various sectors of society. Blockchain is one of the technologies that help in securing sensitive data by encryption. Blockchain technology has the capability to remedy the problems of the health sector with the aid of using bringing more efficiency, privacy, and security to patient health records. The potential of blockchain can be possible because of decentralization, disturbed ledger, and inherited encryption. This paper proverbs information about the contribution of blockchain in smart cities and the use of blockchain in the healthcare sector, enhancing the data securities and also how it can secure the online transaction between users. How services based on blockchain technology can be used in the upgradation and development of smart cities to improve their services and quality of life. It also increases the privacy and security of patients’ medical data. Further, it gives knowledge about the blockchain and its implementation in improving people's quality of life. This paper also discusses the plenty of applications in healthcare in blockchain and the working of blockchain in various sectors.