Dr. Keke Gai is a Professor at the School of Cyberspace Science and Technology of Beijing Institute of Technology, Beijing, China. He obtained his PhD in Computer Science from Pace University, New York, NY, USA in 2017. Dr. Keke Gai’s research interests mainly encompass cyber security, blockchain, privacy-preserving computation, decentralized identity, and artificial intelligence security. He is also editor in chief for the journal “Blockchains” and an associate editor for several decent journals, including IEEE Transactions on Dependable and Secure Computing and Journal of Parallel and Distributed Computing.