Yunkai Wei received the PhD from University of Electronic Science and Technology of China (UESTC), Chengdu, China, in 2016. He is currently an Associate Professor with the School of Information and Communication Engineering, UESTC. He is also an Associate Professor with the Yangtze Delta Region Institute (Quzhou), UESTC. He has obtained a Second-Class Prize of Chongqing Scientific and Technological Progress Award, published more than 50 papers, and been authorized for about 30 invention patents. His research interests include blockchain and machine learning, wireless communications and networks, and the Internet of Things.