3 papers
cs.SE2026
SSR: Safeguarding Staking Rewards by Defining and Detecting Logical Defects in DeFi Staking
Zewei Lin, Jiachi Chen, Jingwen Zhang +4
Decentralized Finance (DeFi) staking is one of the most prominent applications within the DeFi ecosystem, where DeFi projects enable users to stake tokens on the platform and rewar…
cs.CR2025
One Signature, Multiple Payments: Demystifying and Detecting Signature Replay Vulnerabilities in Smart Contracts
Zexu Wang, Jiachi Chen, Zewei Lin +7
Smart contracts have significantly advanced blockchain technology, and digital signatures are crucial for reliable verification of contract authority. Through signature verificatio…
cs.SE2024
Definition and Detection of Centralization Defects in Smart Contracts
Zewei Lin, Jiachi Chen, Jiajing Wu +2
In recent years, security incidents stemming from centralization defects in smart contracts have led to substantial financial losses. A centralization defect refers to any error, f…