Jinwen Xi received the Ph.D. degree in information security at Beijing University of Posts and Telecommunications, Beijing, China, and the M.E. degree in 2018 at Nanjing University of Information Science and Technology. He is currently an Assistant Research Associate from the Zhongguancun Laboratory, Beijing, P.R.China. His research focuses on the exploration of vulnerabilities in the industrial Internet, particularly at the protocol level, as well as the blockchain scalability, security and privacy issues for Industrial Internet of Things. His current research interests are collaborative Internet of Things (Ethernet/IP protocol fuzzing), scalable Blockchain, Digital Twin as well as Privacy Computation.