Thuc D. Nguyen is an associate professor of Knowledge Engineering Department at Faculty of Information Technology, University of Science, VNU-HCMC. He is currently leader of Decentralized Crypto and IoT-blockchain Research Group of Vietnam National University of HoChiMinh City. He received the B.S. degree in Faculty of Information Technology, University of Science, in 1990, the Ph.D degree in University of Science, Vietnam, in 2000. His interest are bio-cryptology, database security and IoT-blockchain.