Program Invited Talk Chi LiuProfessor, Beijing Institute of Technology Blockchain and Differential Privacy for Trustworthy Edge Intelligence Jianxin LiProfessor, Beihang University Social Brain and Blockchain System Convergence: a Big Data Perspective Liang XiaoProfessor, Xiamen University Reinforcement Learning Based Blockchain Aided Secure Relay Scheme for VANETs Daxin TianProfessor, Beihang University Innovative Applications of Edge Computing and Blockchain in Cooperative Vehicle Infrastructure System (CVIS) Jiang XiaoAssociate Professor, Huazhong University of Science and Technology Enabling Practices for Blockchain Data Management Yan ZhangProfessor, University of Oslo Blockchain and Federated Learning for IoT Jiajing WuAssociate Professor, Sun Yat-sen University XBlock: Explore Intelligence from Blockchain Data