Yi Liu is a PhD graduated student with the Department of Computing, The Hong Kong Polytechnic University. His research interests include Federated Learning, Reinforcement Learning, Neural Architecture Search, and Federated Self-supervised Learning. He was an intern at Zhuoshi Fund, a private equity firm managing over 10 billion RMB, where he focused on alternative data factor mining. Now, he works as a Quantitative Researcher, specializing in mid-to-low frequency trading strategies in cryptocurrency futures and options.