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Security, Privacy, and Trust Management and Performance Optimization of Blockchain
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Author(s): Priti Gupta (Banaras Hindu University, India), Abhishek Kumar (Banaras Hindu University, India), Achintya Singhal (Banaras Hindu University, India), Shantanu Saurabh (The Maharaja Sayajirao University of Baroda, India)and V. D. Ambeth Kumar (Department of Computer Science and Engineering, Panimalar Engineering College, Anna University, Chennai, India)
Copyright: 2021
Pages: 13
Source title:
Opportunities and Challenges for Blockchain Technology in Autonomous Vehicles
Source Author(s)/Editor(s): Amit Kumar Tyagi (Research Division of Advanced Data Science, Vellore Institute of Technolgy, Chennai, India), Gillala Rekha (K. L. University, India)and N. Sreenath (Pondicherry Engineering College, India)
DOI: 10.4018/978-1-7998-3295-9.ch008
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Abstract
Blockchain provides innovative ideas for storing information, executing transactions, performing functions, creating trust in an open environment, etc. Even though cryptographers, mathematicians, and coders have been trying to bring the most trustable protocols to get authentication guarantee over various systems, blockchain technology is secure with no central authority in an open network system because of a large distributed network of independent users. If anyone tries to change the blockchain database, the current hash will also change, which does not match with the previous hash. In this way, blockchain creates privacy and trust in digital data by removing malleability attacks. In this chapter, security and privacy on the blockchain has been focused. The safety and privacy of blockchain are mainly engrossed on two things: firstly, uncovering few attacks suffered by blockchain systems and, secondly, putting specific and advanced proposals against such attacks.
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