Salabat Khan is a post-doctoral fellow in the College of Computer Science and Software Engineering at Shenzhen University, Shenzhen, P.R. China. He obtained his Ph.D. degree from the School of Computer Science and Technology at Beijing Institute of Technology, Beijing, P.R. China. His current research interests include secure and transparent Public-Key Infrastructure (PKI), transparent and secure key management in VANETs, distributed ledger technology, and blockchain.