4 papers
Enforcing Control Flow Integrity on DeFi Smart Contracts
Zhiyang Chen, Sidi Mohamed Beillahi, Pasha Barahimi +4
Smart contracts power decentralized financial (DeFi) services but are vulnerable to security exploits that can lead to significant financial losses. Existing security measures ofte…
OpenTracer: A Dynamic Transaction Trace Analyzer for Smart Contract Invariant Generation and Beyond
Zhiyang Chen, Ye Liu, Sidi Mohamed Beillahi +2
Smart contracts, self-executing programs on the blockchain, facilitate reliable value exchanges without centralized oversight. Despite the recent focus on dynamic analysis of their…
Demystifying Invariant Effectiveness for Securing Smart Contracts
Zhiyang Chen, Ye Liu, Sidi Mohamed Beillahi +2
Smart contract transactions associated with security attacks often exhibit distinct behavioral patterns compared with historical benign transactions before the attacking events. Wh…
Assessing Code Generation with Intermediate Languages
Xun Deng, Sicheng Zhong, Honghua Dong +4
Intermediate step methodologies like chain of thoughts (COT) have demonstrated effectiveness in enhancing the performance of Large Language Models (LLMs) on code generation. This s…