69 citations · 92 across the 35 of their papers we have counts for
9 papers · 1 filter
Guardians of the Ledger: Protecting Decentralized Exchanges from State Derailment Defects
Zongwei Li, Wenkai Li, Xiaoqi Li +1
The decentralized exchange (DEX) leverages smart contracts to trade digital assets for users on the blockchain. Developers usually develop several smart contracts into one project,…
Detecting Malicious Accounts in Web3 through Transaction Graph
Wenkai Li, Zhijie Liu, Xiaoqi Li +1
The web3 applications have recently been growing, especially on the Ethereum platform, starting to become the target of scammers. The web3 scams, imitating the services provided by…
Interaction-Aware Vulnerability Detection in Smart Contract Bytecodes
Wenkai Li, Xiaoqi Li, Yingjie Mao +1
The detection of vulnerabilities in smart contracts remains a significant challenge. While numerous tools are available for analyzing smart contracts in source code, only about 1.7…
GasTrace: Detecting Sandwich Attack Malicious Accounts in Ethereum
Zekai Liu, Xiaoqi Li, Hongli Peng +1
The openness and transparency of Ethereum transaction data make it easy to be exploited by any entities, executing malicious attacks. The sandwich attack manipulates the Automated…
DeFiTail: DeFi Protocol Inspection through Cross-Contract Execution Analysis
Wenkai Li, Xiaoqi Li, Yuqing Zhang +1
Decentralized finance (DeFi) protocols are crypto projects developed on the blockchain to manage digital assets. Attacks on DeFi have been frequent and have resulted in losses exce…
StateGuard: Detecting State Derailment Defects in Decentralized Exchange Smart Contract
Zongwei Li, Wenkai Li, Xiaoqi Li +1
Decentralized Exchanges (DEXs), leveraging blockchain technology and smart contracts, have emerged in decentralized finance. However, the DEX project with multi-contract interactio…
Characterizing the Solana NFT Ecosystem
Dechao Kong, Xiaoqi Li, Wenkai Li
Non-Fungible Tokens (NFTs) are digital assets recorded on the blockchain, providing cryptographic proof of ownership over digital or physical items. Although Solana has only begun…
Unveiling Wash Trading in Popular NFT Markets
Yuanzheng Niu, Xiaoqi Li, Hongli Peng +1
As emerging digital assets, NFTs are susceptible to anomalous trading behaviors due to the lack of stringent regulatory mechanisms, potentially causing economic losses. In this pap…
SCLA: Automated Smart Contract Summarization via LLMs and Control Flow Prompt
Xiaoqi Li, Yingjie Mao, Zexin Lu +2
Smart contract code summarization is crucial for efficient maintenance and vulnerability mitigation. While many studies use Large Language Models (LLMs) for summarization, their pe…