Publications

Conference Papers

1. Shixuan Guan, Kai Li. Characterizing Ethereum Address Poisoning Attack, ACM CCS 2024. AR=16.9%, [pdf]
2. Yibo Wang, Yuzhe Tang, Kai Li, Wanning Ding, Zhihua Yang. Understanding Ethereum Mempool Security under Asymmetric DoS by Symbolized Stateful Fuzzing, USENIX Security 2024. AR=18.32%. [pdf]
3. Kai Li, Shixuan Guan, Darren Lee. Towards Understanding and Characterizing the Arbitrage Bot Scam In the Wild, ACM SIGMETRICS 2024. Summer Cycle AR=12.5%. [pdf]
4. Kai Li, Darren Lee, Shixuan Guan. Understanding the Cryptocurrency Free Giveaway Scam Disseminated on Twitter Lists, IEEE Blockchain 2023. AR=31.8%. [pdf]
   • Media coverage: [Cointelegraph], [CoinMarketCap], [Binance], [Crypto News], [Hoodline], [TickerNews], [The Block], [Bitcoinist], [Scambook], [Cryptopolitan], [Investing.com], [Fagen Wasanni Technologies], [Legalese Decoder], [Blockzeit], [GPT Newsroom], [CityLife], [Digital Technology Guru], [Cointory], [CoinCodeCap]

5. Jiaqi Chen, Yibo Wang, Yuxuan Zhou, Wanning Ding, Yuzhe Tang, XiaoFeng Wang, Kai Li. Understanding the Security Risks of Decentralized Exchanges by Uncovering Unfair Trades in the Wild, Euro S&P 2023. [pdf]

6. Yuzhe Tang, Kai Li, Yibo Wang, and Jiaqi Chen, Ethical Challenges in Blockchain Network Measurement Research”, EthiCS@NDSS 2023. [pdf]

7. Yibo Wang, Kai Li, Yuzhe Tang, “Towards the Comprehensive Understanding of Ethereum Mempool DoS Security”, ConsensysDay@ACM CCS 2022. [programme]

8. Kai Li, Yibo Wang, Yuzhe Tang. DETER: Denial of Ethereum Txpool sERvices, ACM CCS 2021. AR=22%. [pdf]
   • Media coverage: [medium report (Korean)], [report (Chinese)].
   • CVE: [CVE-2022-23327], [CVE-2022-23328] .
9. 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”, NDSS 2021, AR=15.2%. [pdf]
   • Media coverage: [medium report (Korean)].

10. Kai Li, Yuzhe Tang, Jiaqi Chen, Yibo Wang, Xianghong Liu. TopoShot: Uncovering Ethereum’s Network Topology Leveraging Replacement Transactions, ACM IMC 2021, AR=28%. [pdf]

11. 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”, ESEC/FSE 2021, AR=24.5%. [pdf]

12. Kai Li, Yuzhe Tang, Qi Zhang, Jianliang Xu, Ju Chen. “Authenticated Key-Value Stores with Hardware Enclaves”, ACM/IFIP Middleware 2021 (industrial track). [pdf]

13. Kai Li, Qi Zhang, Lei Yu, Min Hong. “DRL-Clusters: Buffer Management with Clustering based Deep Reinforcement Learning”, DBAI @NeurIPS 2021. [pdf]

14. 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, AR=25.2%. [pdf], [code]

15. Yuzhe Tang, Kai Li, Yibo Wang, Sencer Burak Somuncuoglu. “Scalable Log Auditing on Private Blockchains via Lightweight Log-Fork Prevention”, SERIAL 2020, [pdf]

16. Kai Li, Yuzhe Tang, Jianliang Xu, Ben Kim. “Secure Consistency Verification for Untrusted Cloud Storage by Public Blockchains”, SecureComm 2019, AR=25.5% [pdf]

17. Yuzhe Tang, Ju Chen, Kai Li. “Log-Structured Authenticated Data Structures for Secure Cloud Storage with Minimal Trust”, SecureComm 2019, [pdf]

18. Qiwu Zou, Yuzhe Tang, Ju Chen, Kai Li, Charles Kamoua, Kevin Kwiat, Laurent Njilla. “ChainFS: Blockchain-Secured Cloud Storage”, IEEE Cloud 2018, [pdf], [slides]

Journal Papers

1. 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, 2023.
2. Yuzhe Tang, Kai Li, Katchaguy Areekijseree, Shuigeng Zhou, Liting Hu. “Privacy-Preserving Multi-Party Directory Services”, EAI Endorsed Transactions on Security and Safety.