Minghui Xu   (徐明辉)

I joined School of Computer Science and Technology, Shandong University (SDU CS) in 2021, also with Institute of Intelligent Computing (IIC). Prior to coming to SDU, I completed my PhD in Computer Science from The George Washington University (advised by Prof. Xiuzhen Cheng) in 2021, and my BS degree in Physics from the Beijing Normal University in 2018.

Contact: mhxu at sdu.edu.cn
Office: Room N3-323, SDU, Binhai Road, Qingdao, China.

Topics of Interest
- Blockchain: Wireless Blockchain, Cloud-Based Blockchain, Blockchain Storage Optimization, DAG-Based Blockchain, Cross-Chain Interoperability, Off-Chain Channel.
- Distributed Computing: High-Performance State Machine Replication (SMR), Asynchronous Byzantine Algorithms, Wireless Distributed Algorithm, Decentralized Storage Network.
- Applied Cryptography: Zero-Knowledge Proof, Universally Composable Framework, Secure Multi-Party Computation, Vector Commitment.
- Internet of Things: Software-Defined Network, IoT Access Control, PUF, TEE, Blockchain-Enhanced IoT.
Job opennings: Multiple postdoc and Ph.D. openings in blockchain, security, and distributed systems. Please contact me with your CV or Short Bio.
News
[2022/12] Accepted to IEEE INFOCOM 2023 - Latency-First Smart Contract: Overclock the Blockchain for a While.
[2022/08] Congrats to our project "Git with Filecoin" winning the Filecoin China Hackathon 2nd Class Prize.
[2022/04] Accepted to IEEE Transactions on Computers - SPDL: A Blockchain-enabled Secure and Privacy-preserving Decentralized Learning System.
[2022/04] Accepted to IEEE ICDCS 2022 - Curb: Trusted and Scalable Software-Defined Network Control Plane for Edge Computing.
[2022/04] Accepted to IEEE Wireless Communications - Fault-tolerant Consensus with NOMA in Mobile Networks.
[2022/03] Accepted to IEEE Transactions on Mobile Computing - BLOWN: A Blockchain Protocol for Single-Hop Wireless Networks under Adversarial SINR.
[2022/01] Accepted to IEEE Transactions on Computers - Extending On-chain Trust to Off-chain--Trustworthy Blockchain Data Collection using Trusted Execution Environment (TEE).
[2022/01] Project ''Cloud-based Blockchain systems'' received funding from CCF-HuaweiBC Foundation (Rate: 9/84).
[2022/01] Accepted to IEEE Transactions on Computers - CloudChain: A Cloud Blockchain Using Shared Memory Consensus and RDMA
[2021/11] Two papers accepted to IEEE Internet of Things Journal [about federated learning and wireless blockchain].
[2021/11] Invited to serve as an Editorial Board Member of Elsevier High-Confidence Computing.
[2021/05] I was awarded the PhD degree in Computer Science from GWU SEAS! [Thesis: Blockchain Made Wireless]
[2021/04] Accepted to IEEE Transactions on Wireless Communications - wChain: A Fast Fault-Tolerant Blockchain Protocol for Multihop Wireless Networks.
Selected Publications [Full List]
2022
Latency-First Smart Contract: Overclock the Blockchain for a While
Huayi Qi, Minghui Xu*, Xiuzhen Cheng, Weifeng Lyu
IEEE INFOCOM 2023. PDF
A Trustless Architecture of Blockchain-enabled Metaverse
Minghui Xu, Yihao Guo, Qin Hu, Zehui Xiong, Dongxiao Yu, Xiuzhen Cheng*
Elsevier High-Confidence Computing. PDF
Tokoin: A Coin-Based Accountable Access Control Scheme for Internet of Things
Chunchi Liu, Minghui Xu*, Hechuan Guo, Xiuzhen Cheng, Yinhao Xiao, Dongxiao Yu, Bei Gong, Arkady Yerukhimovich, Shengling Wang, Weifeng Lv
arXiv preprint. PDF
zk-PCN: A Privacy-Preserving Payment Channel Network Using zk-SNARKs
Wenxuan Yu, Minghui Xu*, Dongxiao Yu, Xiuzhen Cheng, Qin Hu, Zehui Xiong
41st International Performance Computing and Communications Conference (IPCCC 2022). PDF
SPDL: A Blockchain-enabled Secure and Privacy-preserving Decentralized Learning System
Minghui Xu, Zongrui Zou, Ye Cheng, Qin Hu, Dongxiao Yu, Xiuzhen Cheng*
IEEE Transactions on Computers, 2022. PDF
Curb: Trusted and Scalable Software-Defined Network Control Plane for Edge Computing
Minghui Xu, Chenxu Wang, Yifei Zou, Dongxiao Yu, Xiuzhen Cheng*, Weifeng Lv
42nd IEEE International Conference on Distributed Computing Systems (ICDCS 2022). PDF
Fault-tolerant Consensus with NOMA in Mobile Networks
Yifei Zou, Minghui Xu*, Jiguo Yu, Feng Zhao, Xiuzhen Cheng
IEEE Wireless Communications, 2022. PDF
BLOWN: A Blockchain Protocol for Single-Hop Wireless Networks under Adversarial SINR
Minghui Xu, Feng Zhao*, Yifei Zou, Chunchi Liu, Xiuzhen Cheng, Falko Dressler
IEEE Transactions on Mobile Computing, 2022. PDF
CloudChain: A Cloud Blockchain Using Shared Memory Consensus and RDMA
Minghui Xu, Shuo Liu, Dongxiao Yu*, Xiuzhen Cheng, Shaoyong Guo, Jiguo Yu
IEEE Transactions on Computers, 2022. PDF
Extending On-chain Trust to Off-chain--Trustworthy Blockchain Data Collection using Trusted Execution Environment (TEE)
Chunchi Liu, Hechuan Guo, Minghui Xu*, Shengling Wang, Dongxiao Yu, Jiguo Yu, Xiuzhen Cheng
IEEE Transactions on Computers, 2022. PDF
2021
Blockchain and Federated Edge Learning for Privacy-Preserving Mobile Crowdsensing
Qin Hu, Zhilin Wang, Minghui Xu*, Xiuzhen Cheng
IEEE Internet of Things Journal, 2021. PDF
A Fast Consensus for Permissioned Wireless Blockchains
Yifei Zou, Minghui Xu*, Jiguo Yu, Feng Zhao, Xiuzhen Cheng
IEEE Internet of Things Journal, 2021. PDF
wChain: A Fast Fault-Tolerant Blockchain Protocol for Multihop Wireless Networks
Minghui Xu, Chunchi Liu, Yifei Zou, Feng Zhao, Jiguo Yu, Xiuzhen Cheng
IEEE Transactions on Wireless Communications, 2021. PDF
2020
Sync or Fork: Node-Level Synchronization Analysis of Blockchain [Best Paper Award]
Qin Hu, Minghui Xu, Shengling Wang*, Shaoyong Guo
International Conference on Wireless Algorithms, Systems, and Applications, 2020. [Best Paper Award] PDF
Crowd Density Computation and Diffusion via Internet of Things
Yifei Zou, Minghui Xu*, Yicheng Xu, Yong Zhang, Bei Gong, Xiaoshuang Xing
IEEE Internet of Things Journal, 2020. PDF
Quantum Analysis on Task Allocation and Quality Control for Crowdsourcing With Homogeneous Workers
Minghui Xu, Shengling Wang, Qin Hu, Hao Sheng, Xiuzhen Cheng
IEEE Transactions on Network Science and Engineering, 2020. PDF
Grants
Cross-Chain Security Service based on Modular Design, NSFC, Co-PI (Jan 2023 – Dec 2027) Sep 2022
Trusted Networking and Collaborative Computing of Ubiquitous IoT, Natural Science Foundation of Shandong Province, Co-PI (Jan 2023 – Dec 2027) Sep 2022
CCF-Huawei Blockchain Grant, PI (Jan 2022 – Dec 2022, Rate: 9/84) Jan 2022
Awards
Filecoin China Hackathon 2nd Class Prize Aug 2022
The 15th International Conference on Wireless Algorithms, Systems and Applications, Best Paper Award Dec 2020
Award for Excellent Undergraduate Students of Beijing [Top 5%] Jun 2018
Second Prize of CUPT (North China) [Top 20%] May 2018
First Prize Scholarship by Beijing Normal University [Top 10%] Oct 2017
First Prize of Taiwan College-Student Physicists' Tournament (TCPT) Jan 2016
Second Prize of China Undergraduate Physicists' Tournament (CUPT) Aug 2015
Teaching
Blockchain Principles, SDU CS, Lecturer Fall 2022
Introduction to Cryptography, SDU CS, Lecturer Fall 2021/2022
Blockchain and Finance, SDU CS, Lecturer Summer 2022
CSCI 6907 Advanced Blockchain, GWU CS, Teaching Assistant Spring 2020
CSCI 6547 Wireless and Mobile Security, GWU CS, Teaching Assistant Fall 2019
CSCI 3410 System Programming, GWU CS, Teaching Assistant Spring 2019
CSCI 2312 Discrete Structures, GWU CS, Teaching Assistant Fall 2018
Selected Talks
SPDL: A Blockchain-enabled Secure and Privacy-preserving Decentralized Learning System
CCF Blockchain Security and Privacy (BSP)
Aug 14, 2022
Curb: Trusted and Scalable Software-Defined Network Control Plane for Edge Computing
42nd IEEE International Conference on Distributed Computing Systems (ICDCS 2022)
July 09, 2022
Blockchain Made Wireless - Extend Blockchain to Wireless Networks
CCF Internet of Things Workshop
May 08, 2021
Professional Services
Editorship
- Editorial Board Member, Elsevier High-Confidence Computing.
Technical Program Committee
- Session Chair, IPCCC 2022.
- Member, MetaCom 2023.
Referee of Journals
- IEEE Transactions on Mobile Computing ;
- IEEE Transactions on Networking ;
- IEEE Transactions on Computers ;
- IEEE Transactions on Wireless Communication ;
- IEEE Internet of Things Journal;
- IEEE Transactions on Network Science and Engineering ;