activity
20242026
most citedLookAhead: Preventing DeFi Attacks via Unveiling Adversarial Contracts

6 citations · 11 across the 4 of their papers we have counts for

collaborators

5 papers

cs.CR2026

SoK: Colluding Adversaries in Machine Learning Pipelines

Vasisht Duddu, Lipeng He, Asim Waheed +1

Machine learning (ML) models are susceptible to various security, privacy, and fairness risks. Adversaries with different characteristics (i.e., objectives, knowledge, and capabili…

cs.CR2025

Locket: Robust Feature-Locking Technique for Language Models

Lipeng He, Vasisht Duddu, N. Asokan

Chatbot service providers (e.g., OpenAI) rely on tiered subscription plans to generate revenue, offering black-box access to basic models for free users and advanced models to payi…

cs.CR2025

Activation Approximations Can Incur Safety Vulnerabilities Even in Aligned LLMs: Comprehensive Analysis and Defense

Jiawen Zhang, Kejia Chen, Lipeng He +7

Large Language Models (LLMs) have showcased remarkable capabilities across various domains. Accompanying the evolving capabilities and expanding deployment scenarios of LLMs, their…

cs.NI2024★ 5 cited

A Comparative Examination of Network and Contract-Based Blockchain Storage Solutions for Decentralized Applications

Lipeng He

Decentralized applications (DApps), which are innovative blockchain-powered software systems designed to serve as the fundamental building blocks for the next generation of Interne…

cs.CR2024★ 6 cited

LookAhead: Preventing DeFi Attacks via Unveiling Adversarial Contracts

Shoupeng Ren, Lipeng He, Tianyu Tu +4

The exploitation of smart contract vulnerabilities in Decentralized Finance (DeFi) has resulted in financial losses exceeding 3 billion US dollars. Existing defense mechanisms prim…