Pengyu Liu is currently a research assistant at the Hong Kong University of Science and Technology, supervised by IEEE Fellow Prof. Song Guo. Prior to this, he obtained a Bachelor’s degree in Information and Computing Science from Yunnan University and pursued a Master’s degree in Cyberspace Security at Tianjin University under the supervision of Prof. Guangquan Xu and Prof. Keqiu Li. His research interests include Blockchain, Edge Computing, IoT Security and Privacy, and Game Theory.