3 citations · 5 across the 7 of their papers we have counts for
8 papers
EventSpec: Defining and Detecting Event-Semantic Issues in Blockchain Ecosystems
Yixuan Liu, Yuxin Dong, Ye Liu +4
In recent years, smart contracts have become the backbone of decentralized applications (DApps), and off-chain systems such as bridges, wallets, and indexers rely heavily on event…
LogicScan: An LLM-driven Framework for Detecting Business Logic Vulnerabilities in Smart Contracts
Jiaqi Gao, Zijian Zhang, Yuqiang Sun +5
Business logic vulnerabilities have become one of the most damaging yet least understood classes of smart contract vulnerabilities. Unlike traditional bugs such as reentrancy or ar…
Phantom Events: Demystifying the Issues of Log Forgery in Blockchain
Yixuan Liu, Yuxin Dong, Ye Liu +2
With the rapid development of blockchain technology, transaction logs play a central role in various applications, including decentralized exchanges, wallets, cross-chain bridges,…
OpenTracer: A Dynamic Transaction Trace Analyzer for Smart Contract Invariant Generation and Beyond
Zhiyang Chen, Ye Liu, Sidi Mohamed Beillahi +2
Smart contracts, self-executing programs on the blockchain, facilitate reliable value exchanges without centralized oversight. Despite the recent focus on dynamic analysis of their…
Demystifying the Characteristics for Smart Contract Upgrades
Ye Liu, Shuo Li, Xiuheng Wu +3
Upgradable smart contracts play an important role in the decentralized application ecosystem, to support routine maintenance, security patching, and feature additions. In this pape…
Demystifying Invariant Effectiveness for Securing Smart Contracts
Zhiyang Chen, Ye Liu, Sidi Mohamed Beillahi +2
Smart contract transactions associated with security attacks often exhibit distinct behavioral patterns compared with historical benign transactions before the attacking events. Wh…
Automated Invariant Generation for Solidity Smart Contracts
Ye Liu, Chengxuan Zhang, Yi Li.
Smart contracts are computer programs running on blockchains to automate the transaction execution between users. The absence of contract specifications poses a real challenge to t…
A Comprehensive Study of Governance Issues in Decentralized Finance Applications
Wei Ma, Chenguang Zhu, Ye Liu +2
Decentralized Finance (DeFi) is a prominent application of smart contracts, representing a novel financial paradigm in contrast to centralized finance. While DeFi applications are…