Publications

2023 PSFQ: A Blockchain-Based Privacy-Preserving and Verifiable Student Feedback Questionnaire Platform
Wangze Ni, Pengze Chen, Lei Chen
VLDB 2023 [Paper]
Utility-Aware Payment Channel Network Rebalance
Wangze Ni, Pengze Chen, Lei Chen, Peng Cheng, Chen Jason Zhang, Xuemin Lin
VLDB 2023 [Paper]
2022 Fairness Matters: A Tit-for-Tat Strategy Against Selfish Mining
Weijie Sun, Zihuan Xu, Lei Chen
VLDB 2022 [Paper]
L2chain: Towards High-performance, Confidential and Secure Layer-2 Blockchain Solution for Decentralized Applications
Zihuan Xu, Lei Chen
VLDB 2022 [Paper]
Mixing transactions with arbitrary values on blockchains
Wangze Ni, Peng CHENG, Lei Chen
ICDE 2022 [Paper]
2021 DIV: Resolving the Dynamic Issues of Zero-knowledge Set Membership Proof in the Blockchain
Xu Zihuan, Lei Chen
SIGMOD 2021 [Paper]
When the Recursive Diversity Anonymity Meets the Ring Signature
Wangze Ni, Peng CHENG, Lei Chen, Xuemin Lin
SIGMOD 2021 [Paper]
PAS: Enable Partial Consensus in the Blockchain
Xu Zihuan, Siyuan Han, Lei Chen
DASFAA 2021 [Paper]
2019 Fluid: A Blockchain based Framework for Crowdsourcing
Siyuan Han, Zihuan Xu, Yuxiang Zeng, Lei Chen
SIGMOD 2019 [Paper]
2018 CUB, a Consensus Unit-based Storage Scheme for Blockchain System
Zihuan Xu, Siyuan Han, and Lei Chen.
ICDE 2018 [Paper]
Jupiter: A Blockchain platform for mobile devices
Siyuan Han, Zihuan Xu, and Lei Chen.
ICDE 2018 [Paper]