Guangxia Xu is currently a professor and a Ph.D. supervisor at the Cyberspace Institute of Advanced Technology, Guangzhou University, Guangzhou, China. She received her M.S. and Ph.D. degrees in computer science from Chongqing University, Chongqing, China in 2006 and 2011, respectively. Her research interests include information security and network management, Big Data analytics for network security, and Blockchain technology. She is a committee member at the Blockchain of CCF, an IEEE Senior Member, and an ACM member.