About Me

I’m a 3-year PhD student in computer science at the Zhejiang University, advised by Prof. Xiaohu Yang and Prof. Jian Liu. Before that, I received my Bachelor’s degree at Zhejiang University in 2022, advised by Prof. Xiaohu Yang. My research interest includes trustworthy machine learning, applied cryptography and blockchain.

📝 Publications

( * indicates equal contribution.)

Preprint Activation Approximations Can Incur Safety Vulnerabilities in Aligned LLMs: Comprehensive Analysis and Defense ｜ Paper

Jiawen Zhang*, Kejia Chen*, Lipeng He*, Jian Lou, Dan Li, Zunlei Feng, Mingli Song, Jian Liu, Kui Ren, Xiaohu Yang

NDSS 2025 Secure Transformer Inference Made Non-interactive ｜ Paper | Code

Jiawen Zhang, Xinpeng Yang, Lipeng He, Kejia Chen, Wen-jie Lu, Yinghao Wang, Xiaoyang Hou, Jian Liu, Kui Ren, Xiaohu Yang

ECAI 2024 SecPE: Secure Prompt Ensembling for Private and Robust Large Language Model ｜ Paper | Code

Jiawen Zhang*, Kejia Chen*, Zunlei Feng, Mingli Song, Jian Lou, Jian Liu, Xiaohu Yang

BCRA 2024 SmartZKCP: Towards Practical Data Exchange Marketplace Against Active Attacks ｜ Paper | Code

Xuanming Liu*, Jiawen Zhang*, Yinghao Wang, Xinpeng Yang, Xiaohu Yang

📖 Educations

2022 - now, Zhejiang University, College of Computer Science and Technology, Ph.D. candidate.
2018 - 2022, Zhejiang University, College of Computer Science and Technology, Bachelor.

💻 Internships

2021.09 - 2022.06, Hyperchain, Blockchain R.D Engineer, Hangzhou
2021.05 - 2021.09, Meituan, Software Engineer, Shanghai
2021.02 - 2021.05, Alibaba Group, Software Engineer, Hangzhou