MINGHUI XU

Publications

Research Interests

Our research vision for the next decade is to understand and engineer the foundations of trust-minimized computation, enabling open systems to remain verifiable, scalable, and resilient by design.

1. Applied Cryptography

Secure Multiparty Computation: Continuum [Efficient ADMPC] (NDSS’27), AD-MPC [Async-Dynamic MPC] (ACM CCS’25).
Private and Verifiable Data Access: VDORAM [Verifiable & Distributed RAM] (NDSS’26), Trinity [Private Range Query] (IEEE TIFS’25).
Efficient Zero-Knowledge Proofs: Latency-First Smart Contract [Proof Generation Acceleration] (INFOCOM’23), Split [ZK Circuit Partitioning] (IEEE TC’22).

2. Decentralized Systems

Byzantine Fault-Tolerant Consensus: Koala [Sleepy Consensus with Known Participation] (NDSS’26), OrbitBFT [BFT Consensus on Satellites] (IEEE ICDCS’26), Asynchronous BFT [Communication-Constrained Wireless Networks] (IEEE JSAC’26), Wireless-Sync-BFT [Partially Synchronous Wireless Consensus] (INFOCOM’25), Wireless-Async-BFT [Asynchronous Wireless Consensus] (ICDCS’25), CloudChain [Shared Memory and RDMA] (IEEE TC’22), BLOWN [Single-Hop Wireless Blockchain] (IEEE TMC’22), wChain [Multihop Wireless Blockchain] (IEEE TWC’21).
Blockchain Architecture and Interoperability: SilentLedger [Privacy-Preserving Auditing] (IEEE TIFS’26), zkCross [Cross-Chain Privacy] (USENIX Security’24), Modular Blockchain [Architecture and Design] (ACM CSUR’24), Adaptive Blockchain [Decentralized Metaverse] (IEEE JSAC’23), Cross-Channel [Cross-Chain Channels] (IEEE TC’23).
Decentralized Storage and Secure Data Infrastructure: PIR-DSN [Private Information Retrieval] (INFOCOM’26), EC-Chain [On-Chain Storage Reduction] (INFOCOM’25), FileDES [Privacy-Preserving Storage] (INFOCOM’24), BFT-DSN [Erasure-Coded Storage] (IEEE TC’24), FileDAG [Multi-Version File Management] (IEEE TC’23), TBAC [Accountable Access Control] (IEEE TMC’23), Curb [Secure SDN Control Plane] (ICDCS’22), TMES [TEE-Based Data Collection] (IEEE TC’22).

3. Trustworthy AI Systems

LLMs for Security Analysis: From Miscontextion to Misconceptions [Context-Rich Vulnerability Evaluation] (IEEE TIFS’26), The Illusion of Security [Semantic Soundness of LLM-Generated Models] (IEEE TIFS’26), SAGE [LLM-Based Vulnerability Detection] (ISSTA’26).
Identity and Access Control: I'm Spartacus [LLM Identity Confusion] (IEEE TDSC’26), AgentDID [Trustless Agent Identity] (IEEE ICDCS’26), LACE [LLM-Based IoT Access Control] (IEEE TIFS’26).
Secure Collaborative Learning: FedRFQ [Prototype-Based Federated Learning] (IEEE TC’24), FL Incentives [Joint Resource Allocation] (IEEE TPDS’23), SPDL [Privacy-Preserving Decentralized Learning] (IEEE TC’23).

Selected Publications

See Google Scholar for the complete list.

2027

[NDSS'27] Wenxuan Yu, Minghui Xu*, Yuan Lu, Yingzi Gao, Xiuzhen Cheng. Continuum: Concretely Efficient Asynchronous Dynamic MPC with Guaranteed Output Delivery. The Network and Distributed System Security Symposium (NDSS), 2027. [Link] [Code]

2026

[NDSS'26] Huayi Qi, Minghui Xu*, Xiaohua Jia, Xiuzhen Cheng. VDORAM: Towards a Random Access Machine with Both Public Verifiability and Distributed Obliviousness. The Network and Distributed System Security Symposium (NDSS), 2026. [Link] [Code]

[NDSS'26] Chenxu Wang, Sisi Duan*, Minghui Xu*, Feng Li, Xiuzhen Cheng. Consensus in the Known Participation Model with Byzantine Faults and Sleepy Replicas. NDSS 2026. [Link] [🏆Distinguished Artifact Award] [Code]

[ACM ISSTA'26] Zhengyang Shan, Xu Qian, Jiayun Xin, Minghui Xu*, Yue Zhang*, Zhen Yang, Hao Wu, Xiuzhen Cheng. SAGE: Signal-Amplified Guided Embeddings for LLM-based Vulnerability Detection. ISSTA 2026. [Link] [Code]

[IEEE INFOCOM'26] Jiahao Zhang, Minghui Xu*, Hechuan Guo, Xiuzhen Cheng. PIR-DSN: A Decentralized Storage Network Supporting Private Information Retrieval. INFOCOM 2026. [Link] [Code]

[IEEE ICDCS'26] Minghui Xu, Xiaoyu Liu, Yihao Guo*, Chunchi Liu, Yue Zhang, Xiuzhen Cheng. AgentDID: Trustless Identity Authentication for AI Agents. ICDCS 2026. [Link] [Code]

[IEEE ICDCS'26] Tianyi Sun, Shuo Liu, Minghui Xu*, Xiuzhen Cheng. OrbitBFT: Enabling Scalable and Robust BFT Consensus in LEO Constellations. ICDCS 2026. [Link] [Code]

[IEEE TDSC'26] Kun Li, Shichao Zhuang, Yue Zhang*, Ruoxi Wang, Kaidi Xu, Hao Wu, Guangyong Shang, Minghui Xu*. I’m Spartacus, No, I’m Spartacus: Identity Confusion in LLMs and Its Impact on Trust in AI-Generated Content. IEEE Transactions on Dependable and Secure Computing (TDSC), 2026. [Link]

[IEEE TIFS’26] Biwei Yan, Yue Zhang*, Minghui Xu*, Jinku Li, Zhen Yang, Xiuzhen Cheng. The Illusion of Security: On the Semantic Unsoundness of LLM-Generated Models for BLE Vulnerability Detection. IEEE Transactions on Information Forensics and Security, 2026.

[IEEE TIFS’26] Yue Li, Xiao Li, Hao Wu, Minghui Xu, Yue Zhang, Xiuzhen Cheng, Fengyuan Xu, Sheng Zhong. From Miscontextion to Misconceptions: Rethinking LLM-Based Vulnerability Detection through Context-Rich Evaluation. IEEE Transactions on Information Forensics and Security, 2026.

[IEEE TIFS’26] Ye Cheng, Minghui Xu*, Yue Zhang*, Kun Li, Hao Wu, Yechao Zhang, Shaoyong Guo, Wangjie Qiu, Dongxiao Yu, Xiuzhen Cheng. “Say What You Mean”: Natural Language Access Control with Large Language Models for Internet of Things. IEEE Transactions on Information Forensics and Security, 2026. [Link]

[IEEE TIFS’26] Zihan Liu, Xiaohu Wang, Chao Lin*, Minghui Xu*, Debiao He, Xinyi Huang. SilentLedger: Privacy-Preserving Auditing for Blockchains with Complete Non-Interactivity. IEEE Transactions on Information Forensics and Security, 2026. [Link]

[IEEE TMC'26] Jianan Chen, Qin Hu, Fangtian Zhong, Yan Zhuang, Minghui Xu. Upcycling Noise for Federated Unlearning. IEEE Transactions on Mobile Computing (TMC), 2026. [Link]

[IEEE JSAC’26] Shuo Liu, Hechuan Guo*, Jiezhi Chen, Minghui Xu, Xiuzhen Cheng, Fen Ma, Guangyong Shang. Towards Practical Asynchronous BFT Consensus in Communication-Constrained Wireless Networks. IEEE Journal on Selected Areas in Communications, 2026.

[IEEE JSAC'26] Dongxiao Yu, Xingze Wu, Yifei Zou*, Peng Wang, Minghui Xu, Zhiguang Shan, Xiuzhen Cheng. Distributed Covert Leader Election for Private and Robust Communications in Open Wireless Networks. JSAC 2026. [Link]

[IEEE TSC'26] Shengyang Li, Qin Hu*, Zhilin Wang, Minghui Xu, Zhipeng Cai. PoFEL: Energy-efficient Consensus for Blockchain-based Hierarchical Federated Learning. IEEE Transactions on Services Computing, 2026. [Link]

2025

[CCS'25] Wenxuan Yu, Minghui Xu*, Bing Wu, Sisi Duan, Xiuzhen Cheng. AD-MPC: Asynchronous Dynamic MPC with Guaranteed Output Delivery. CCS 2025. [Link] [Code]

[IEEE INFOCOM'25] Minghui Xu, Hechuan Guo*, Ye Cheng, Chunchi Liu, Dongxiao Yu, Xiuzhen Cheng. EC-Chain: Cost-Effective Storage Solution for Permissionless Blockchains. INFOCOM 2025. [Link] [Code]

[IEEE INFOCOM'25] Shuo Liu, Minghui Xu*, Yifei Zou, Xiuzhen Cheng, Wangjie Qiu, Gang Qu. Partially Synchronous BFT Consensus Made Practical in Wireless Networks. INFOCOM 2025. [Link] [Code]

[IEEE ICDCS'25] Shuo Liu, Minghui Xu*, Tianyi Sun, Xiuzhen Cheng. Asynchronous BFT Consensus Made Wireless. ICDCS 2025. [Link] [Code]

[IEEE TIFS'25] Zhijun Li, Kuizhi Liu, Minghui Xu*, Xiangyu Wang, Yinbin Miao, Jianfeng Ma, Xiuzhen Cheng. Trinity: A Scalable and Forward-Secure DSSE for Spatio-Temporal Range Query. TIFS 2025. [Link] [Code]

[IEEE TC'25] Guanlin Jing, Yifei Zou, Minghui Xu, Yanqiang Zhang, Dongxiao Yu, Zhiguang Shan. Nicaea: A Byzantine Fault Tolerant Consensus Under Unpredictable Message Delivery Failures for Parallel and Distributed Computing. IEEE Transactions on Computers, 74(3): 915-928, 2025. [Link]

2024

[USENIX Security'24] Yihao Guo, Minghui Xu*, Xiuzhen Cheng, Dongxiao Yu, Wangjie Qiu, Gang Qu, Weibing Wang, Mingming Song. zkCross: A Novel Architecture for Cross-Chain Privacy-Preserving Auditing. USENIX Security 2024. [Link] [Code]

[IEEE INFOCOM'24] Minghui Xu, Jiahao Zhang, Hechuan Guo, Xiuzhen Cheng*, Dongxiao Yu, Qin Hu, Yijun Li, Yipu Wu. FileDES: A Secure, Scalable and Succinct Blockchain-based Decentralized Encrypted Storage Network. INFOCOM 2024. [Link] [Slides]

[IEEE ICMC'24] Biwei Yan, Kun Li, Minghui Xu*, Yueyan Dong, Yue Zhang, Zhaochun Ren, Xiuzhen Cheng. On Protecting the Data Privacy of Large Language Models (LLMs): A Survey. ICMC 2024. [Link]

[IEEE IoT-J'24] Ye Cheng, Minghui Xu*, Yue Zhang, Kun Li, Ruoxi Wang, Lian Yang. AutoIoT: Automated IoT Platform Using Large Language Models. IoT Journal 2024. [Link]

[ACM CSUR'24] Minghui Xu, Yihao Guo, Chunchi Liu, Qin Hu, Dongxiao Yu, Zehui Xiong, Dusit Niyato, Xiuzhen Cheng*. Exploring Blockchain Technology through a Modular Lens: A Survey. CSUR 2024. [Link]

[IEEE TC'24] Hechuan Guo, Minghui Xu*, Jiahao Zhang, Chunchi Liu, Rajiv Ranjan, Dongxiao Yu, Xiuzhen Cheng. BFT-DSN: A Byzantine Fault Tolerant Decentralized Storage Network. TC 2024. [Link]

[IEEE TC'24] Biwei Yan, Hongliang Zhang, Minghui Xu, Dongxiao Yu, Xiuzhen Cheng. FedRFQ: Prototype-based Federated Learning with Reduced Redundancy, Minimal Failure, and Enhanced Quality. TC 2024. [Link]

2023

[IEEE INFOCOM'23] Huayi Qi, Minghui Xu*, Xiuzhen Cheng, Weifeng Lyu. Latency-First Smart Contract: Overclock the Blockchain for a While. INFOCOM 2023. [Link] [Code]

[IEEE TMC'23] Chunchi Liu, Minghui Xu*, Hechuan Guo, Xiuzhen Cheng, Yinhao Xiao, Dongxiao Yu, Bei Gong, Arkady Yerukhimovich, Shengling Wang, Weifeng Lyu. TBAC: A Tokoin-based Accountable Access Control Scheme for the Internet of Things. TMC 2023. [Link] [Code]

[IEEE JSAC'23] Ye Cheng, Yihao Guo, Minghui Xu*, Qin Hu, Dongxiao Yu, Xiuzhen Cheng. An Adaptive and Modular Blockchain Enabled Architecture for a Decentralized Metaverse. JSAC 2023. [Link]

[IEEE TC'23] Hechuan Guo, Minghui Xu*, Jiahao Zhang, Chunchi Liu, Dongxiao Yu, Schahram Dustdar, Xiuzhen Cheng. FileDAG: A Multi-Version Decentralized Storage Network Built on DAG-based Blockchain. TC 2023. [Link] [Code] [Slides]

[IEEE TC'23] Yihao Guo, Minghui Xu*, Dongxiao Yu, Yong Yu, Rajiv Ranjan, Xiuzhen Cheng. Cross-Channel: Scalable Off-Chain Channels Supporting Fair and Atomic Cross-Chain Operations. TC 2023. [Link] [Code]

[IEEE TPDS'23] Zhilin Wang, Qin Hu*, Ruinian Li, Minghui Xu, Zehui Xiong. Incentive Mechanism Design for Joint Resource Allocation in Blockchain-based Federated Learning. TPDS 2023. [Link]

[IEEE TC'23] Minghui Xu, Zongrui Zou, Ye Cheng, Qin Hu, Dongxiao Yu, Xiuzhen Cheng*. SPDL: A Blockchain-enabled Secure and Privacy-preserving Decentralized Learning System. TC 2023. [Link] [Code] [Slides]

[IEEE TC'23] Huayi Qi, Ye Cheng, Minghui Xu*, Dongxiao Yu, Haipeng Wang, Weifeng Lyu. Split: A Hash-based Memory Optimization Method for zk-SNARK. TC 2023. [Link]

≤2022

[IEEE ICDCS'22] Minghui Xu, Chenxu Wang, Yifei Zou, Dongxiao Yu, Xiuzhen Cheng*, Weifeng Lyu. Curb: Trusted and Scalable Software-Defined Network Control Plane for Edge Computing. ICDCS 2022. [Link] [Slides]

[IEEE TMC'22] Minghui Xu, Feng Zhao*, Yifei Zou, Chunchi Liu, Xiuzhen Cheng, Falko Dressler. BLOWN: A Blockchain Protocol for Single-Hop Wireless Networks under Adversarial SINR. TMC 2022. [Link] [Slides]

[IEEE TC'22] Minghui Xu, Shuo Liu, Dongxiao Yu, Xiuzhen Cheng*, Shaoyong Guo, Jiguo Yu. CloudChain: A Cloud Blockchain Using Shared Memory Consensus and RDMA. TC 2022. [Link]

[IEEE TC'22] Chunchi Liu, Hechuan Guo, Minghui Xu*, Shengling Wang, Dongxiao Yu, Jiguo Yu, Xiuzhen Cheng. Extending On-chain Trust to Off-chain: Trustworthy Blockchain Data Collection using TEE. TC 2022. [Link] [Code]

[IEEE TWC'21] Minghui Xu, Chunchi Liu, Yifei Zou, Feng Zhao*, Jiguo Yu, Xiuzhen Cheng. wChain: A Fast Fault-Tolerant Blockchain Protocol for Multihop Wireless Networks. TWC 2021. [Link] [Slides]

[IEEE TNSE'20] Minghui Xu, Shengling Wang, Qin Hu, Hao Sheng, Xiuzhen Cheng. Quantum Analysis on Task Allocation and Quality Control for Crowdsourcing With Homogeneous Workers. TNSE 2020. [Link]