Muhammad Firdaus is currently a postdoctoral researcher at the Lab. of Information Security and Internet Application (LISIA), Pukyong National University, Republic of Korea. He received the M.S degree from the School of Electrical Engineering and Informatics, Institut Teknologi Bandung (ITB), Indonesia, in 2019, and the Ph.D. degree from the Department of Artificial Intelligence Convergence, Pukyong National University, Republic of Korea, in 2023. His current research interests include blockchain, security and privacy protection in wireless communications and networking. Links to his publications.