6Security and Confidentiality Concerns in Blockchain Technology: A Review
G. Prabu Kanna1*, Abinash M.J.2, Yogesh Kumar3, Jagadeesh Kumar4 and E. Suganya5
1 School of Computing Science and Engineering, VIT Bhopal University, Madhya Pradesh, India
2 Department of Computer Science and Engineering, SOT, Pandit Deendayal Energy University, Gujarat, India
3 Department of Information Technology/PG (CS), AKCAS, Srivilliputhur, India
4 Department of Computer Science and Engineering, Kathir College of Engineering, Tamil Nadu, India
5 Department of Information Technology, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai, Tamil Nadu, India
Abstract
Today’s culture is talking a lot about blockchain, which is rapidly gaining popularity. Despite the fact that it has already altered many people’s lifestyles in certain ways, opponents have highlighted worries about its scalability, security, and sustainability due to its tremendous impact on several sectors and enterprises. Numerous industries, including banking, healthcare, transportation, risk management, the Internet of Everything (IoE), as well as social and public services, have adopted blockchain, which is a decentralised technology. It takes considerable ability to resolve commercial issues. Each transaction on a blockchain is connected to prior transactions or records, and the records are encrypted. Algorithms running on nodes verify transactions happening through blockchain. One individual (or) entity could not ...
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