Chia-Hung Liao received a BSc degree in physics from National Tsing Hua University, Hsinchu, Taiwan, in 2008, and an MSc degree in photonics and optoelectronics from National Taiwan University, Taipei, Taiwan, in 2010. He is currently pursuing his PhD degree in computer science and information technology at National Yang Ming Chiao Tung University, Hsinchu, Taiwan. His current research interests include blockchain technology, privacy-preserving, digital identity management, algorithmic trading, reinforcement learning, computer vision, and natural language processing.