Xiwen Wang received his PhD in Engineering from China University of Mining and Technology. He is currently Director of the Beijing Huaxia Institute of Industrial Network Intelligent Technology Research and a professor at Nanchang Institute of Technology. He was a post-doctoral research fellow at the Institute of Scientific and Technical Information of China (ISTIC) before serving as Director of Electronic Commerce and of the Industrial 4.0 Institute at the Center for International Economic and Technical Cooperation, Ministry of Industry and Information Technology China. Dr Wang is a member of the Central Working Committee for the Promotion of Technological Innovation and the Central Special Committee on Science and Technology of the Jiusan Society. He has already conducted more than 500 training sessions on 5G and Industry 4.0 for corporate management, e.g. at Huawei, Antfin, OPPO, WILO, and Lufthansa. Longxiang Gao received his PhD in Computer Science from Deakin University, Australia. He is currently a Senior Lecturer and Co-founder of the Deakin Blockchain Innovation Lab at the School of Information Technology, Deakin University. Before joining the university, he was a post-doctoral research fellow at IBM Research & Development, Australia. His research interests include fog/edge computing, blockchain, data analysis and privacy protection.Dr. Gao has over 50 publications, including monographs, book chapters, journal and conference papers, to his name, and his work has been published in leading journals, such as IEEE TMC, IEEE IoTJ, IEEE TDSC, IEEE TVT, IEEE TCSS, and IEEE TNSE. He has been Chief Investigator (CI) for more than 20 research projects (with total funding of $4.6 million), from pure research projects to contracted industry research. He is a senior member of the IEEE.