Program Keynote Jiannong CaoProfessor, The Hong Kong Polytechnic University High Performance Packing and Searching in Blockchain-based Data Sharing Hai JinProfessor, Huazhong University of Science and Technology Evening Out the Stumbling Blocks for Today’s Blockchain Systems Song GuoProfessor, The Hong Kong Polytechnic University Tackling Challenges When Blockchain Meets Edge Computing