About the reviewers

Karthikeyan Sukumaran has been involved in blockchain research and development for the past three years and has over a decade of industry experience in connection with mobile and web platforms. He has been a CEO for his own blockchain start-up, where he architected multiple blockchain projects for various consulting, automobile, supply chain, logistics, and financial companies. He is also a renowned speaker within the Indian blockchain community. Currently, Karthikeyan is an associate director (DLT Labs—Blockchain R&D) for The Depository Trust and Clearing Corporation (DTCC), India. 

Aafaf Ouaddah is a veteran security engineer, currently pursuing a PhD involving blockchain. She has wide-ranging experience in distributed systems. Currently, she is a lead researcher investigating security and privacy in distributed systems, blockchain, IoT and fog computing. She has presented more than 10 research papers at various conferences and workshops and has published in reputed international journals with IEEE, Springer, and Elsevier.