Dr. Zhang received his BSc degree from Renmin University of China and his PhD degree from Hong Kong Baptist University. His research includes data management, big data analytics, and blockchain technology. He has published several research papers in top-tier conferences including IEEE ICDE, VLDB, ACM SIGMOD, and USENIX FAST.

• Database systems
• Data Management
• Big Data Analytics
• Blockchain Technology

• C. Zhang, C. Xu, H. Hu, and J. Xu, “COLE: A Column-based Learned Storage for Blockchain Systems,” in Proceedings of the 22nd USENIX Conference on File and Storage Technologies (FAST ’24), Santa Clara, CA, USA, 2024, pp. 329–345.
• C. Xu, C. Zhang, J. Xu, and J. Pei, “SlimChain: Scaling Blockchain Transactions through Off-Chain Storage and Parallel Processing,” Proceedings of the VLDB Endowment (PVLDB), vol. 14, no. 11, pp. 2314–2326, 2021.
• C. Zhang, C. Xu, H. Wang, J. Xu, and B. Choi, “Authenticated Keyword Search in Scalable Hybrid-Storage Blockchains,” in Proceedings of the 37th IEEE International Conference on Data Engineering (ICDE ’21), Chania, Crete, Greece, 2021, pp. 996–1007.
• C. Zhang, C. Xu, J. Xu, Y. Tang, and B. Choi, “GEM2-Tree: A Gas-Efficient Structure for Authenticated Range Queries in Blockchain,” in Proceedings of the 35th IEEE International Conference on Data Engineering (ICDE ’19), Macau SAR, China, 2019, pp. 842–853.
• C. Xu, C. Zhang, and J. Xu, “vChain: Enabling Verifiable Boolean Range Queries over Blockchain Databases,” in Proceedings of the 2019 ACM SIGMOD International Conference on Management of Data (SIGMOD ’19), Amsterdam, Netherlands, 2019, pp. 141–158.
• C. Zhang, C. Xu, J. Xu, and B. Choi, “Distributed kNN Query Authentication,” in Proceedings of the 19th IEEE International Conference on Mobile Data Management (MDM ’18), Aalborg, Denmark, 2018, pp. 167–176.