Jingyu Liu
PhD student · Financial Technology
HKUST (Guangzhou)
I am a PhD student in Financial Technology at the Hong Kong University of Science and Technology (Guangzhou), advised by Prof. Xuechao Wang and Prof. Yingjie Xue. Previously, I received my B.E. in Computer Science and Technology from Harbin Institute of Technology, Shenzhen, in 2023.
Research Interests
I study the security and economics of decentralized systems, with a focus on how protocol rules shape incentives and market outcomes.
- Blockchain economics and mechanism design
- Payment channels and cross-chain protocols
- Decentralized finance and market microstructure
Selected Papers
Full listFrom PBS to ePBS: the Microstructure of Block Building
(with Bolin Zhang, Lin William Cong, Siguang Li, and Xuechao Wang)
Working Paper. Accepted for presentation · 2026 INFORMS Conference on Financial Engineering and Fintech
Latency and commitment advantages in block building markets.
arXiv: From PBS to ePBS: the Microstructure of Block Building
Zeus: Demystifying Fee Security in Multi-Hop Payments
(with Yingjie Xue, Di Wu, Jian Liu, and Xuechao Wang)
Preprint · Cryptology ePrint Archive, 2025
Eliminate the fee-stealing and griefing attacks in multi-hop payments.
ePrint: Zeus: Demystifying Fee Security in Multi-Hop Payments
FairRelay: Fair Off-Chain Incentives for Decentralized Physical Infrastructure Networks
(with Yingjie Xue, Zifan Peng, Chao Lin, Jianan Hong, and Xinyi Huang)
IEEE Transactions on Dependable and Secure Computing (TDSC), 23(2), 2026
Fair incentives for decentralized infrastructure through off-chain payments.
Paper: FairRelay: Fair Off-Chain Incentives for Decentralized Physical Infrastructure Networks
Academic Services
- Reviewer: IEEE Transactions on Dependable and Secure Computing (TDSC), 2026.
- Subreviewer: ACM AsiaCCS 2026.