Selected Publications

(* corresponding author)

Private Information Retrieval

• Jian Liu*, Jingyu Li, Di Wu, Kui Ren. PIRANA: Faster Multi-query PIR via Constant-weight Codes. IEEE S&P (Oakland) 2024CCF A
• Agnes Kiss, Jian Liu, Thomas Schneider, N. Asokan, Benny Pinkas. Private Set Intersection for Unequal Set Sizes with Mobile Applications. PETS 2017
• Sandeep Tamrakar, Jian Liu, Andrew Paverd, Jan-Erik Ekberg, Benny Pinkas, N. Asokan. The Circle Game: Scalable Private Membership Test Using Trusted Hardware. ASIACCS 2017Honorable MentionCSAW Europe (top 10)

Secure Inference

• Xiaoyang Hou, Jian Liu*, Jingyu Li, Yuhan Li, Wen-jie Lu, Cheng Hong, Kui Ren. CipherGPT: Secure Two-Party GPT Inference. under submission
• Jiawen Zhang, Xinpeng Yang, Lipeng He, Kejia Chen, Wen-jie Lu, Yinghao Wang, Xiaoyang Hou, Jian Liu*, Kui Ren, Xiaohu Yang. Secure Transformer Inference Made Non-interactive. NDSS 2025CCF A
• Wen-jie Lu, Zhicong Huang, Zhen Gu, Jingyu Li, Jian Liu, Cheng Hong, Kui Ren, Tao Wei, Wenguang Chen. Bumblebee: Secure two-party inference framework for large transformers. NDSS 2025CCF A
• Agnes Kiss, Masoud Naderpour, Jian Liu, N. Asokan and Thomas Schneider. SoK: Modular and Efficient Private Decision Tree Evaluation. PETS 2019
• Jian Liu, Mika Juuti, Yao Lu, N. Asokan. Oblivious Neural Network Predictions via MiniONN Transformations. ACM CCS 2017CCF A

AI Security

• Zhihua Tian, Yuan Ding, Xiang Yu, Enchao Gong, Jiaheng Zhang, Jian Liu*, Kui Ren. Towards Collaborative Anti-Money Laundering Among Financial Institutions. WWW 2025CCF A
• Rui Zhang, Xiaoyang Hou, Zhihua Tian, Yan He, Enchao Gong, Jian Liu*, Qingbiao Wu, Kui Ren. Attributed Graph Clustering in Collaborative Settings. TDSC 2025CCF A
• Jian Liu*, Rui Zhang, Sebastian Szyller, Kui Ren, N. Asokan. False Claims against Model Ownership Resolution. Usenix Security 2024CCF A
• Sebastian Szyller, Rui Zhang, Jian Liu, N Asokan. On the Robustness of Dataset Inference. TMLR 2023
• Zhihua Tian, Rui Zhang, Xiaoyang Hou, Jian Liu*, Kui Ren. FedderBoost: Private Federated Learning for GBDT. TDSC 2023CCF A
• Rui Zhang, Jian Liu*, Yuan Ding, Zhibo Wang, Qingbiao Wu, Kui Ren. “Adversarial Examples” for Proof-of-Learning. IEEE S&P (Oakland) 2022CCF A

Blockchain Security

• Di Wu, Shoupeng Ren, Yuman Bai, Lipeng He, Jian Liu*, Wu Wen, Kui Ren, Chun Chen. On the Atomicity and Efficiency Blockchain Payment Channels. Usenix Security 2025CCF A
• Shoupeng Ren, Lipeng He, Tianyu Tu, Di Wu, Jian Liu*, Kui Ren, Chun Chen. LookAhead: Preventing DeFi Attacks via Unveiling Adversarial Contracts. FSE 2025CCF A
• Hao Lu, Jian Liu*, Kui Ren. Aurora: Leaderless State-Machine Replication with High Throughput. TC 2025CCF A
• Jian Liu*, Peilun Li, Fan Zhang, Kui Ren. monoCash: A Channel-Free Payment Network Via Trusted Monotonic Counters. TDSC 2024CCF A
• Jian Liu, Peilun Li, Raymond Cheng, N. Asokan, Dawn Song. Parallel and Asynchronous Smart Contract Execution. TPDS 2021CCF A
• Jian Liu and Kui Ren. Improving Blockchains with Client-Assistance. TC 2021CCF A
• Zhelei Zhou, Xinle Cao, Jian Liu*, Bingsheng Zhang, Kui Ren. Zero Knowledge Contingent Payments for Trained Neural Networks. Esorics 2021
• Yujin Kwon, Jian Liu, Minjeong Kim, Dawn Song and Yongdae Kim. Impossibility of Full Decentralization in Permissionless Blockchains. AFT 2019
• Jian Liu, Wenting Li, Ghassan O Karame, N. Asokan. Scalable Byzantine Consensus via Hardware-assisted Secret Sharing. TC 2019CCF ABest Paper Award
• Jian Liu, Wenting Li, Ghassan O Karame, N. Asokan. Towards Fairness of Cryptocurrency Payments. IEEE Security & Privacy 2018

Cloud Security

• Xinle Cao, Weiqi Feng, Jian Liu*, Jinjin Zhou, Wenjing Fang, Lei Wang, Quanqing Xu, Chuanhui Yang, Kui Ren. Towards Practical Oblivious Map. VLDB 2025CCF A
• Xiaoyang Hou, Jian Liu*, Tianyu Tu, Rui Zhang, Kui Ren. PrivRE: Regular Expression Matching for Encrypted Packet Inspection. ICDCS 2024
• Xinle Cao, Jian Liu*, Hao Lu, Yan Liu, Weixin Liu, Tao Wei, Kui Ren. On the Interoperability of Encrypted Databases. TDSC 2024CCF A
• Xinle Cao, Yuhan Li, Dmytro Bogatov, Jian Liu*, Kui Ren. Secure and Practical Functional Dependency Discovery in Outsourced Databases. ICDE 2024CCF A
• Xinle Cao, Jian Liu*, Yongsheng Shen, Xiaohua Ye, Kui Ren. Frequency-revealing attacks against Frequency-hiding Order-preserving Encryption. VLDB 2023CCF A
• Xinle Cao, Jian Liu*, Hao Lu, Kui Ren. Cryptanalysis of An Encrypted Database In SIGMOD ‘14. VLDB 2021CCF A
• Jian Liu, N. Asokan and Benny Pinkas. Secure Deduplication of Encrypted Data without Additional Independent Servers. ACM CCS 2015CCF AOlympusMons Pioneer Award