new Jiaqi Chen, Yuzhe Tang, Yue Duan. “More to Extract: Discovering MEV by Token Contract Analysis”, in submission. [pdf] MEV token analysis blockchain security
Yuxuan Zhou*, Jiaqi Chen*, Yibo Wang, Yuzhe Tang, and G. Gu. (* co-first authors) “Towards Understanding Crypto-Asset Risks on Ethereum Caused by Key Leakage on the Internet”, ACM WWW 2024 (short paper). [pdf] Ethereum key leakage crypto risks
Xiaofan Li, Jin Yang, Jiaqi Chen, Yuzhe Tang, Xing Gao. “Characterizing Ethereum Upgradable Smart Contracts and Their Security Implications”, ACM WWW 2024. [pdf] Ethereum smart contracts upgradeability
Jiaqi Chen, Y. Wang, Y. Zhou, W. Ding, Yuzhe Tang, X. Wang, K. Li. “Understanding the Security Risks of Decentralized Exchanges by Uncovering Unfair Trades in the Wild”, IEEE Euro S&P 2023. [pdf] DeFi DEX security unfair trading
Yibo Wang, Kai Li, Yuzhe Tang, Jiaqi Chen, Qi Zhang, Xiapu Luo, and Ting Chen. “Towards Saving Blockchain Fees via Secure and Cost-Effective Batching of Smart-Contract Invocations”, IEEE Transactions on Software Engineering (TSE 2023). [pdf] blockchain smart contracts cost efficiency
Kai Li, Yuzhe Tang, Jiaqi Chen, Yibo Wang, Xianghong Liu. “TopoShot: Uncovering Ethereum's Network Topology Leveraging Replacement Transactions”, ACM IMC 2021. [pdf], [slides], [poster], [open dataset] Ethereum network measurement topology
Yibo Wang, Qi Zhang, Kai Li, Yuzhe Tang, Jiaqi Chen, Xiapu Luo, Ting Chen. “iBatch: Saving Ethereum Fees via Secure and Cost-Effective Batching of Smart-Contract Invocations”, ACM ESEC/FSE 2021. [pdf], [extended version], [html], [slides] Ethereum fee reduction smart contracts
Kai Li, Jiaqi Chen, Xianghong Liu, Yuzhe Tang, XiaoFeng Wang, Xiapu Luo. “As Strong As Its Weakest Link: How to Break Blockchain DApps at RPC Service”, ISOC NDSS 2021. [paper] DApps RPC security DoS
Kai Li, Yuzhe Tang, Jiaqi Chen, Zhehu Yuan, Cheng Xu, Jianliang Xu. “Cost-Effective Data Feeds to Blockchains via Workload-Adaptive Data Replication”, ACM/IFIP Middleware 2020. [paper], [code] blockchain data feeds replication