5 papers
Combating Organized Platform Abuse: Amplifying Weak Risk Signals with Structural Information
Meng He, Jia Long Loh
Large-scale online service platforms face severe challenges from organized platform abuse: multiple forms such as credit card fraud and promotion abuse continually emerge, characte…
Model2Kernel: Model-Aware Symbolic Execution For Safe CUDA Kernels
Mengting He, Shihao Xia, Haomin Jia +2
The widespread adoption of large language models (LLMs) has made GPU-accelerated inference a critical part of modern computing infrastructure. Production inference systems rely on…
SymGPT: Auditing Smart Contracts via Combining Symbolic Execution with Large Language Models
Shihao Xia, Mengting He, Shuai Shao +4
To govern smart contracts running on Ethereum, multiple Ethereum Request for Comment (ERC) standards have been developed, each defining a set of rules governing contract behavior.…
How to Save My Gas Fees: Understanding and Detecting Real-world Gas Issues in Solidity Programs
Mengting He, Shihao Xia, Boqin Qin +4
The execution of smart contracts on Ethereum, a public blockchain system, incurs a fee called gas fee for its computation and data storage. When programmers develop smart contracts…
SC-Bench: A Large-Scale Dataset for Smart Contract Auditing
Shihao Xia, Mengting He, Linhai Song +1
There is a huge demand to ensure the compliance of smart contracts listed on blockchain platforms to safety and economic standards. Today, manual efforts in the form of auditing ar…