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Minghui Xu | 
I am a Professor in the School of Computer Science and Technology at Shandong University, where I co-lead the Blockchain and Distributed Security Lab with Prof. Xiuzhen Cheng. I joined Shandong University as an Assistant Professor (2021–2023), was promoted to Associate Professor (2023–2024), and received early promotion to Full Professor in 2024. I received my Ph.D. in Computer Science from The George Washington University (2018-2021) and my B.S. in Physics from Beijing Normal University (2014-2018). I was also a visiting scholar at ETH Zurich.
[ Lab Github ] [ Google Scholar ] [ 中文版主页 ]
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Openings: We welcome postdocs, PhD, master's, and undergraduate students to collaborate on the following research topics. Please reach out with your CV if you're interested. Contact: mhxu@sdu.edu.cn
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Our long-term (~10 years) vision is to understand and engineer the foundations of trust-minimized computation, enabling open systems to remain verifiable, scalable, and resilient by design.
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Applied Cryptography:
VDORAM[Verifiable & Dist RAM] (NDSS’26),
AD-MPC[Async-Dynamic MPC] (ACM CCS’25),
Trinity[Private Range Query] (IEEE TIFS’25),
Latency-First Smart Contract (INFOCOM’23),
Split[Partition ZK Circuits] (IEEE TC’22)
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Byzantine Fault-Tolerant Consensus:
Sleepy consensus[Known Participation] (NDSS’26),
OrbitBFT[BFT Consensus on Sattelites] (IEEE ICDCS’26),
Wireless-Sync-BFT (INFOCOM’25),
Wireless-Async-BFT (ICDCS’25),
BLOWN[Wireless Blockchain Protocol] (IEEE TMC’22),
CloudChain[Using Shared Memory and RDMA] (IEEE TC’22),
wChain[Wireless Blockchain Protocol] (IEEE TWC’21)
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Decentralized Storage and Computing:
PIR-DSN [DSN Supporting PIR] (INFOCOM’26),
EC‑Chain[On-Chain Storage Reduction] (INFOCOM’25),
FileDES[Privacy-Preserving DSN] (INFOCOM’24),
BFT‑DSN[Erasure Coding for DSN] (IEEE TC’24),
FileDAG[DSN File Management] (IEEE TC’23),
TBAC[Fine-grained Access Control] (IEEE TMC’23),
Curb[SDN Controller] (ICDCS’22),
TMES[TEE Data Collection] (IEEE TC’22)
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Blockchain Interoperability:
zkCross[Cross-chain Privacy] (USENIX Security’24),
Modular Blockchain (ACM CSUR’24),
Adaptive Modular Blockchain (IEEE JSAC’23),
Cross-Channel[Cross-Chain Channel] (IEEE TC’23)
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Responsible AI:
SAGE[LLM-based Vulnerability Detection] (ISSTA'26),
AgentDID[Trustless Agent Identity] (IEEE ICDCS'26),
AutoIoT[LLM-based IoT Automation] (IEEE IoT-J’24),
LLM Privacy Survey (ICMC’24),
FedRFQ[Prototype-Based FL] (IEEE TC’24),
FL Incentives (IEEE TPDS’23),
SPDL[Decentralized Learning] (IEEE TC’23)
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2026
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[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]
[Link]
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[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]
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[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]
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[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]
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[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]
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[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]
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[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]
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2025
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[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]
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[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]
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[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]
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[IEEE ICDCS'25] Shuo Liu, Minghui Xu*, Tianyi Sun, Xiuzhen Cheng.
Asynchronous BFT Consensus Made Wireless.
ICDCS 2025.
[Link]
[Code]
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[IEEE JSAC'25] 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 2025.
[Link]
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[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]
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2024
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[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]
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[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]
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[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]
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[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]
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[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]
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[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]
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[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]
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2023
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[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]
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[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]
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[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]
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[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]
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[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]
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[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]
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[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]
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[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]
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≤2022
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[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.
[Slides]
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[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.
[Slides]
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[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.
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[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.
[Code]
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[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.
[Slides]
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[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.
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NDSS 2026 Distinguished Artifact Award
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Dec 2025 |
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Qilu Young Scholar (山东大学齐鲁青年学者)
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Dec 2025 |
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Xiaomi Young Scholar (小米青年学者)
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Dec 2025 |
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Natural Science Award (Second Prize) of Shandong Province (山东省自然科学二等奖)
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Nov 2025 |
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Noteworthy Reviewer Recognition for USENIX Security 2025 Artifact Evaluation
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Sep 2025 |
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Taishan Scholar Young Expert (泰山学者青年专家)
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July 2025 |
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The Favorite Mentor of Taishan College Graduates (泰山学堂最喜爱的导师)
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Jun 2025 |
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China Association for Science and Technology Youth Talent Support Program (第十届中国科协青年人才托举计划)
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Nov 2024 |
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ACM China SIGAPP Rising Star
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Oct 2024 |
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International Conference on Generative Artificial Intelligence and Information Security (GAIIS 2024), Best Paper Award
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Mar 2024 |
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CCF & ATEC Blockchain Security and Privacy Competition, Excellent Guidance Award
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Dec 2023 |
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The Future Plan for Young Scholars at Shandong University
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Sep 2023 |
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Open Research track at ETH Beijing Hackathon, 1st Place
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May 2023 |
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Filecoin China Hackathon, 2nd Place
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Aug 2022 |
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Award for Excellence in Supervision of Undergraduate Dissertations
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July 2022 |
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The 15th International Conference on Wireless Algorithms, Systems and Applications (WASA 2020), Best Paper Award
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Dec 2020 |
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Award for Excellent Undergraduate Students of Beijing [Top 5%]
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Jun 2018 |
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First Prize of Taiwan College-Student Physicists' Tournament (TCPT)
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Jan 2016 |
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Second Prize of China Undergraduate Physicists' Tournament (CUPT)
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Aug 2015 |
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Distributed Trusted Computing in a Zero-Trust Environment, NSFC (国自然联合基金重点项目), PI
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2026–30 |
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Trusted Computing for Industrial Internet, Key R&D Program of Shandong Province (山东省重点研发计划项目), PI
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2025–28 |
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Blockchain System for Internet of Things (IoT), National Key R&D Program of China (国家重点研发计划课题), PI
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2024–27 |
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Secure Protection of the Data Lifecycle Based on Blockchain, NSFC (国自然联合基金重点项目), Co-PI
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2024–27 |
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Trusted Data Space Technology for QID, Inspur–Shandong University Joint Lab Project (企业横项), PI
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2024–27 |
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Blockchain Protocol in Wireless Ad Hoc Networks, NSFC (国自然青年基金), PI
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2023–26 |
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Cross-Chain Security Service based on Modular Design, NSFC (国自然重点项目课题), PI
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2023–27 |
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Blockchain Key Technologies for IoT, Shandong Science Fund for Excellent Young Scholars (山东省海外优青), PI
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2023–25 |
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Autonomous Computing for Storage-Computation-Communication Integration, National Key R&D Program of China (重点研发计划青年项目), Co-PI
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2023–26 |
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Trusted Networking and Collaborative Computing of Ubiquitous IoT, NSF of Shandong (山东省重大基础研究), Co-PI
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2022–25 |
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CCF-Huawei Blockchain Grant (首届华为胡杨林基金区块链专项), PI (Rate: 9/84)
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2022-23 |
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Blockchain Principles, SDU CS, Lecturer
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Fall 2022-24 |
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Introduction to Cryptography, SDU CS, Lecturer
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Fall 2021-24 |
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Blockchain and Finance, SDU CS, Lecturer
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Summer 2022-24 |
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CSCI 6907 Advanced Blockchain, GWU CS, Teaching Assistant
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Spring 2020 |
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CSCI 6547 Wireless and Mobile Security, GWU CS, Teaching Assistant
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Fall 2019 |
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CSCI 3410 System Programming, GWU CS, Teaching Assistant
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Spring 2019 |
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CSCI 2312 Discrete Structures, GWU CS, Teaching Assistant
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Fall 2018 |
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Editorship
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- Associate Editor (2024-Now), IEEE Transactions on Computers - Security and Privacy Track.
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- Editorial Board Member (2022-Now), Elsevier High-Confidence Computing.
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- Guest Editor (2025), CMC SI: Utilizing and Securing Large Language Models for Cybersecurity and Beyond.
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Technical Program Committee
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- Publicity Chair: IEEE TrustCom'25, IEEE ICMC'23/24, IEEE SmartCity'24.
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- Workshop Chair: IEEE MASS Workshop on Data Security and LLM Safety in Smart Systems (DLS).
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- Track Chair: ICNC'26, EAI WiSATS'25, IEEE IPCCC'22/23, IEEE FNWF'23.
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- Member: ACM CCS'26, USENIX Security'26, IEEE INFOCOM'26, ACM CCS'25, USENIX Security AEC'25, ACM AsiaCCS'25, IEEE MetaCom'23/24, IEEE ICA3PP'23/24, IEEE ICNC'23/24, IEEE MSN'24.
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I am fortunate to collaborate with many exceptional students.
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PhD
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- Yuzhi Liu (2026-Present)
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- Yefan Wu (2026-Present)
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- Huilin Li (2025-Present)
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- Zhenglian Diao (2025–Present, also affiliated with the National Academy of AI)
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- Zhengyang Shan (2025-Present)
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- Zihan Liu (2025-Present)
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- Tingchuang Zhang (2025-Present)
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- Yueyan Dong (2024-Present)
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- Jiahao Zhang (2024-Now)
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- Wenxuan Yu (2023-Present)
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- Chenxu Wang (2022-Present)
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- Shuo Liu (2022-Present)
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// Alumni
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- Ye Cheng (2020-2025): Postdoc@Beijing University of Posts and Telecommunications
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- Huayi Qi (2020-2025): Postdoc@Tsinghua University
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- Yihao Guo (2019-2024): Postdoc@Hong Kong Polytechnic University; PolyU Distinguished Postdoctoral Fellow
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- Hechuan Guo (2020-2024): Postdoc@Shandong University; Specially Funded Postdoctoral Fellow, CCF Blockchain Technical Committee Outstanding Doctoral Dissertation (2/22), ACM Qingdao Outstanding Doctoral Dissertation.
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Master
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- Mengyuan Zeng (2024-2027)
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- Cheng Wang (2024-2027)
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- Xiaoyu Liu (2024-2027)
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- Chenyao Liang (2024-2027)
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- Shuhao Xiong (2024-2027)
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- Weiqi Zhang (2023-2026)
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- Haoyang Song (2023-2026)
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- Tianyi Sun (2022-2026)
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// Alumni
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- Xiaolong Xue (2022-2025): BYD
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- Jiahao Zhang (2022-2025): PhD@Shandong University
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- Yueyan Dong (2022-2025): PhD@Shandong University
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- Dongliang Duan (2021-2024): ByteDance
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- Liping Wang (2020-2023): Meituan
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Undergraduate Students (1+ Year Collaboration)
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- Haoming Zhu (graduated in 2027): TBD
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- Ruoxi Wang (graduated in 2026) Northeastern University, USA: TBD
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- Wenjun Luo (graduated in 2025): Master@Nanyang Technological University
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- Bing Wu (graduated in 2025): PhD@Hong Kong Polytechnic University
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- Chuanlei Li (graduated in 2025): PhD@Hong Kong University of Science and Technology (Guangzhou)
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- Yuezhou Zheng (graduated in 2025): Master@Zhejiang University
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- Shengli Yuan (graduated in 2025): Master@Tsinghua University
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- Jin Zhou (graduated in 2023): PhD@University of Notre Dame
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- Shuo Liu (graduated in 2022): PhD@Shandong University
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- Chenxu Wang (graduated in 2022): PhD@Shandong University
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- Zongrui Zou (graduated in 2022): PhD@Nanjing University
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