Dr. Lei Wu is an Associate Professor in both the College of Computer Science and Technology and the School of Cyber Science and Technology at Zhejiang University, as well as the Co-Founder of BlockSec. His research interests primarily focus on security areas such as blockchain security and system security. He received his Ph.D. degree from North Carolina State University in 2015, under the guidance of Prof. Xuxian Jiang. From 2015 to 2017, he worked as a senior security researcher at Qihoo 360. Following this, he co-founded a blockchain startup company and has been focused on blockchain security ever since.