Call for Online Participation                           
     The Third Workshop on Blockchain and Data Management (BlockDM 2021)   
                In Conjunction with ICDE 2021                                                                    

BlockDM 2021 will be held virtually as an online event using the Zoom platform. 


- Dr. Ying Yan (AntGroup and Alibaba Damo Academy)

- Panagiotis Antonopoulos (Microsoft)


Times are displayed in US Pacific. Look up your local times: http://www.timebie.com/std/pdt.php.

7:00-7:10	Opening

7:10-8:00	Keynote 1
		Addressing Technique Challenges in Large-scaled Blockchain Applications - AntChain's Practice
		Ying Yan (AntGroup and Alibaba Damo Academy)

8:00-8:10	Break

8:10-9:00	Keynote 2
		Bridging the Gap between Blockchains and Relational Databases
		Panagiotis Antonopoulos (Microsoft)

9:00-9:20	Talking Blockchains: The Perspective of a Database Researcher
		Felix Schuhknecht (Johannes Gutenberg-University Mainz)

9:20-9:40	Towards a Blockchain Database for Massive IoT Workloads
		Panagiotis Drakatos (University of Cyprus),Erodotos Demetriou (University of Cyprus),
		Panagiotis Drakatos (University of Cyprus),Erodotos Demetriou (University of Cyprus),
		Stavroulla Koumou(University of Cyprus),Andreas Konstantinidis (Frederick University),
		Demetrios Zeinalipour-Yazti (University of Cyprus)

9:40-9:50	Break

9:50-10:10	Measuring Decentralization in Bitcoin and Ethereum using Multiple Metrics and Granularities
		Qinwei Lin (Beijing Jiaotong University),Chao Li (Beijing Jiaotong University),
		Xifeng Zhao (Beijing Jiaotong University) and Xianhai Chen (Beijing Jiaotong University)

10:10-10:30	Transparent Contribution Evaluation for Secure Federated Learning on Blockchain
		Shuaicheng Ma (Emory University),Yang Cao (Kyoto University),
		Li Xiong (Emory University)

10:30-10:50	PDS2: A User-Centered Decentralized Marketplace for Privacy Preserving Data Processing
		Lodovico Giaretta (KTH),Ioannis Savvidis (University of Cyprus),
		Thomas Marchioro (Institute of Computer Science Foundation for Research and Technology),
		Sarunas Girdzijauskas (KTH),George Pallis (University of Cyprus),
		Marios D. Dikaiakos (University of Cyprus),
		Evangelos Markatos (Institute of Computer Science Foundation for Research and Technology)

10:50-11:10	C3HSB: A Transparent Supply Chain for Multi-cloud and Hybrid Cloud Assets Powered by Blockchain
		Srini Bhagavan (University of Missouri-Kansas City),Praveen Rao (University of Missouri-Columbia),
		Thuan Ngo (IBM Corporation)