The book is a collection of best selected research papers presented at International Conference on Network Security and Blockchain Technology (ICNSBT 2021), organized by Computer Society of India-Kolkata Chapter, India, during December 2-4, 2021. The book discusses recent developments and contemporary research in cryptography, network security, cyber security, and blockchain technology. Authors are eminent academicians, scientists, researchers, and scholars in their respective fields from across the world.

Auteur

Dr. Debasis Giri is currently working as Associate Professor in the Department of Information Technology, Maulana Abul Kalam Azad University of Technology (Formerly known as West Bengal University of Technology), West Bengal, India. Prior to this, he also held academic positions as Professor in the Department of Computer Science and Engineering and Dean in the School of Electronics, Computer Science and Informatics, Haldia Institute of Technology, Haldia, India. He did his masters (M.Tech and M.Sc.) both from IIT Kharagpur, India, and also completed his Ph.D. from IIT Kharagpur, India. He is tenth all India rank holder in Graduate Aptitude Test in Engineering in 1999. He has published more than 80 papers in international journal/ conference. His current research interests include cryptography, information security, E-commerce security, and design & analysis of algorithms. He is Editorial Board Member and Reviewer of many International Journals. He is also Program Committee Member of International Conferences. He is Life Member of Cryptology Research Society of India, Computer Society of India, the International Society for Analysis, its Applications and Computation (ISAAC), and IEEE Member.

Jyotsna Kumar Mandal, M. Tech. in Computer Science from University of Calcutta in 1987, awarded Ph. D. (Engineering) in Computer Science and Engineering by Jadavpur University in 2000,is working as Professor of Computer Science & Engineering, former Dean, Faculty of Engineering, Technology & Management, KU for two consecutive terms during 2008-2012, Director, IQAC, Kalyani University, and Chairman, CIRM, and Placement Cell. Jyotsna Kumar Mandal served as Professor Computer Applications, KGEC, as Associate Professor Computer Science, Assistant Professor Computer Science North Bengal University for fifteen years, as Lecturer at NERIST, Itanagar for one year. Jyotsna Kumar Mandal has 34 years of teaching and research experience in coding theory, data and network security and authentication; remote sensing & GIS-based applications, data compression, error correction, visual cryptography, and steganography and has been awarded 26 Ph. D. degrees, one submitted, and 8 are pursuing. Jyotsna Kumar Mandal supervised 03 M.Phil., more than 80 M.Tech., and more than 150 M.C.A Dissertations. Jyotsna Kumar Mandal is Guest Editor of MST Journal (SCI indexed) of Springer, published more than 450 research articles out of which 190 articles in international journals, published 15 books from LAP Germany, IGI Global, Springer, etc., organized more than 50 International Conferences and Corresponding Editors of edited volumes and conference publications of Springer, IEEE, and Elsevier, etc., and edited more than 50 volumes as Volume Editor. Jyotsna Kumar Mandal received "Siksha Ratna" Award from Higher Education, Government of West Bengal, India, in the year 2018for outstanding teaching activities; Vidyasagar Award from International Society for Science Technology and management in the fifth International Conference on Computing, Communication and Sensor Network; Chapter Patron Award, CSI Kolkata Chapter, on 2014; "Bharat Jyoti Award" for meritorious services, outstanding performances, and remarkable role in the field of Computer Science & Engineering on 29 August 2012 from International Friendship Society (IIFS), New Delhi; and A. M. Bose Memorial Silver Medal and Kali Prasanna Dasgupta Memorial Silver Medal from Jadavpur University.

Kouichi Sakurai received the B.S. degree in mathematics from the Faculty of Science, Kyushu University, in 1986. He received the M.S. degree in applied science in 1988, and the Doctorate in engineering in 1993 from the Faculty of Engineering, Kyushu University. He was engaged in research and development on cryptography at the Computer and Information Systems Laboratory at Mitsubishi Electric Corporation from 1988 to 1994. From 1994, he worked for the Dept. of Computer Science of Kyushu University in the capacity of Associate Professor and became Full Professor there in 2002. Now he is also working also with Adaptive Communications Research Laboratories and Advanced Telecommunications Research Institute International (ATR) as Visiting Researcher with information security. Professor Sakurai has published more than 400 academic papers around cryptography and information security.

Prof. Debashis De earned his M.Tech. from the University of Calcutta in 2002 and his Ph.D. (Engineering) from Jadavpur University in 2005. He is Professor and Director in the Department of Computer Science and Engineering of the West Bengal University of Technology, West Bengal, India, and Adjunct Research Fellow at the University of Western Australia, Australia. He is Senior Member of the IEEE, Life Member of CSI, andMember of the International Union of Radio science. He worked as R&D Engineer for Telektronics and Programmer at Cognizant Technology Solutions. He was awarded the prestigious Boyscast Fellowship by the Department of Science and Technology, Government of India, to work at the Herriot-Watt University, Scotland, UK. He received the Endeavour Fellowship Award during 2008-2009 by DEST Australia to work at the University of Western Australia. He received the Young Scientist Award both in 2005 at New Delhi and in 2011 at Istanbul, Turkey, from the International Union of Radio Science, Head Quarter, Belgium. His research interests include mobile cloud computing and green mobile networks. He has published in more than 250 peer-reviewed international journals in IEEE, IET, Elsevier, Springer, World Scientific, Wiley, IETE, Taylor Francis and ASP, 100 International conference papers, six researches monographs in Springer, CRC, NOVA, andten text books published by Pearson education. He is Associate Editor of journal IEEE ACCESS and Editor Hybrid computational intelligence, Journal Array, Elsevier.