Minghui Xu

Minghui Xu (徐明辉)

I am an Assistant Professor of the School of Computer Science and Technology at Shandong University, where I co-lead the Blockchain and Distributed Computing Lab with Prof. Xiuzhen Cheng. Prior to joining Shandong University, I completed my PhD in Computer Science at The George Washington University in 2021 and my BS degree in Physics at the Beijing Normal University in 2018. I was also an academic guest of DISCO Lab headed by Prof. Roger Wattenhofer at ETH Zurich.

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

Topics of Interest

- Blockchain: Decentralized Storage Network, DeFi, Cross-Chain Interoperability, Off-Chain Channel.

- Distributed Computing: Byzantine Algorithms, Decentralized Swarm Intelligence, High-Performance State Machine Replication.

- Cryptography: Multi-Party Computation, Secret Sharing, Private Information Retrieval.

Job opennings: Multiple postdoc, PhD and master openings in blockchain and distributed systems. Please contact me with your CV or Short Bio.

News

[2023/08] Four papers are acceped by IEEE TMC, JSAC, and TC.

[2023/05] Accepted to IEEE Network - Meta Computing.

[2023/04] Congrats to "Deep Stack Fantasy" for winning the first place in the Open Research track at ETH Beijing Hackathon.

[2023/03] Accepted to IEEE Transactions on Parallel and Distributed Systems - Incentive Mechanism Design for Joint Resource Allocation in Blockchain-based Federated Learning.

[2023/01] Accepted to IEEE Transactions on Computers - Split: A Hash-based Memory Optimization Method for Zero-Knowledge Succinct Non-Interactive Argument of Knowledge (zk-SNARK).

[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.

[2022/03] 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

Preprints

SoK: Privacy-Preserving Smart Contract
Huayi Qi, Minghui Xu*, Dongxiao Yu, Xiuzhen Cheng

Straggler Mitigation and Latency Optimization in Blockchain-based Hierarchical Federated Learning
Zhilin Wang, Qin Hu*, Minghui Xu, Zeihui Xiong

Exploring Blockchain Technology through a Modular Lens: A Survey
Minghui Xu, Yihao Guo, Chunchi Liu, Qin Hu, Dongxiao Yu, Zehui Xiong, Dusit Niyato, Xiuzhen Cheng*

Selected Publications [Full List]

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

[IEEE JSAC] An Adaptive and Modular Blockchain Enabled Architecture for a Decentralized Metaverse
Ye Cheng, Yihao Guo, Minghui Xu*, Qin Hu, Dongxiao Yu, Xiuzhen Cheng
IEEE Journal on Selected Areas in Communications, 2023

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

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

[IEEE Network] Meta Computing
Xiuzhen Cheng, Minghui Xu*, Runyu Pan, Dongxiao Yu, Chenxu Wang, Xue Xiao, Weifeng Lyu
IEEE Network, 2023

[IEEE TPDS] Incentive Mechanism Design for Joint Resource Allocation in Blockchain-based Federated Learning
Zhilin Wang, Qin Hu*, Ruinian Li, Minghui Xu, Zehui Xiong
IEEE Transactions on Parallel and Distributed Systems, 2023

[IEEE TC] Split: A Hash-based Memory Optimization Method for Zero-Knowledge Succinct Non-Interactive Argument of Knowledge (zk-SNARK)
Huayi Qi, Ye Cheng, Minghui Xu*, Dongxiao Yu, Haipeng Wang, Weifeng Lyu
IEEE Transactions on Computers, 2023

[IEEE INFOCOM'23] Latency-First Smart Contract: Overclock the Blockchain for a While
Huayi Qi, Minghui Xu*, Xiuzhen Cheng, Weifeng Lyu
IEEE International Conference on Computer Communications (INFOCOM), 2023
[Code]

[ELSEVIER HCC] A Trustless Architecture of Blockchain-enabled Metaverse
Minghui Xu, Yihao Guo, Qin Hu, Zehui Xiong, Dongxiao Yu, Xiuzhen Cheng*
High-Confidence Computing, 2023

[IEEE TC] 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
[Code] [Slides]

[IEEE ICDCS'22] Curb: Trusted and Scalable Software-Defined Network Control Plane for Edge Computing
Minghui Xu, Chenxu Wang, Yifei Zou, Dongxiao Yu, Xiuzhen Cheng*, Weifeng Lyu
IEEE 42nd International Conference on Distributed Computing Systems (ICDCS), 2022
[Slides]

[IEEE TMC] 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
[Slides]

[IEEE TC] Extending On-chain Trust to Off-chain--Trustworthy Blockchain Data Collection using Trusted Execution Environment
Chunchi Liu, Hechuan Guo, Minghui Xu*, Shengling Wang, Dongxiao Yu, Jiguo Yu, Xiuzhen Cheng
IEEE Transactions on Computers, 2022
[Code]

[IEEE TC] 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

[IEEE TWC] 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
[Slides]

[IEEE TNSE] Quantum Analysis on Task Allocation and Quality Control for Crowdsourcing With Homogeneous Worker
Minghui Xu, Shengling Wang, Qin Hu, Hao Sheng, Xiuzhen Cheng
IEEE Transactions on Network Science and Engineering, 2020

Grants

Blockchain Protocol in Wireless Ad Hoc Networks, NSFC, PI (Jan 2024 – Jan 2027)	Aug 2023
Blockchain Key Technologies for Internet of Things, Shandong Science Fund for Excellent Young Scholars, PI (Apr 2023 – Mar 2026)	Feb 2023
Autonomous Computing for Storage-Computation-Communication Integration, National Key R&D Program of China, Co-PI (Feb 2023 – Jan 2026)	Feb 2023
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

CCF & ATEC Blockchain Security and Privacy Competition, Honorable Award	Feb 2023
Filecoin China Hackathon, 2nd Class Prize	Aug 2022
Award for Excellence in Supervision of Undergraduate Dissertations	July 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 2022-23
Introduction to Cryptography, SDU CS, Lecturer	Fall 2021-23
Blockchain and Finance, SDU CS, Lecturer	Summer 2022-23
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

FileDAG: A Multi-Version Decentralized Storage Networks Built on DAG-based Blockchains at DISCO, ETH Zurich	Jun 07, 2023
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