Jiachi Chen

Definition and Detection of Defects in NFT Smart Contracts

2023 · arXiv (Cornell University)

Recently, the birth of non-fungible tokens (NFTs) has attracted great attention. NFTs are capable of representing users' ownership on the blockchain and have experienced tremendous market sales due to their popularity. Unfortunately, the high value …

Defining and Detecting the Defects of the Large Language Model-based Autonomous Agents

2024 · arXiv (Cornell University)

AI agents are systems capable of perceiving their environment, autonomously planning and executing tasks. Recent advancements in LLM have introduced a transformative paradigm for AI agents, enabling them to interact with external resources and tools …

Demystifying and Detecting Cryptographic Defects in Ethereum Smart Contracts

2025

Ethereum has officially provided a set of system-level cryptographic APIs to enhance smart contracts with cryptographic capabilities. These APIs have been utilized in over 10% of Ethereum transactions, motivating developers to implement various on-chain cryptographic …

SWE Data Construction, Automatically!

2026 · Proceedings of the ACM on software engineering.

Constructing large-scale datasets for the GitHub issue resolution task is crucial for both training and evaluating the software engineering capabilities of Large Language Models (LLMs). However, the existing GitHub issue resolution data construction pipeline is …