His research addresses real-world challenges in creating practical, efficient systems that prioritise dependability, trust, security, privacy, and scalability. He focuses on designing robust, high-performance digital infrastructures by leveraging dependable computing, decentralised systems, cryptography, and security protocols, and optimising these systems for scalability and resilience.

Research Areas
Blockchain System and Application, Fault Tolerance and Consensus Algorithm, Security Protocol Design and Analysis, Applied Cryptography, and User Privacy.

Selected Recent Work
[Google scholar] [DBLP]

[EuroSys'25] "Achilles: Efficient TEE-Assisted BFT Consensus via Rollback Resilient Recovery"
[ACSAC'24] "Janus: An Asynchronous Common Subset Protocol with Trusted Components"
[IEEE TDSC'24] "Trusted Hardware Assisted Reliable Broadcast and Leaderless BFT Consensus"
[CSF'24] "Modeling Mobile Crash in Byzantine Consensus"
[IPDPS'24] "OneShot: View-Adapting Streamlined BFT with TEEs"
[DSN-Disrupt'23] "Fault Independence in Blockchain"
[DSN'23] "Analyzing the Performance of the Inter-Blockchain Communication Protocol"
[FC'23] "Fair Delivery of Decentralised Randomness Beacon"
[FC'23] "Leveraging the Verifier’s Dilemma to Double Spend in Bitcoin"
[IEEE S&P'23] "BlindHub: Bitcoin-Compatible Privacy-Preserving Payment Channel Hubs Supporting Variable Amounts"
[IEEE ICDE'23] "TxAllo: Dynamic Transaction Allocation in Sharded Blockchain Systems"
[ACM computing surveys'23] "A Survey on Exotic Signatures for Post-Quantum Blockchain: Challenges & Research Directions"
[ACM EuroSys'22] "DAMYSUS: Streamlined BFT Consensus Leveraging Trusted Components"
[ACM AFT'22] "Analysing and Improving Shard Allocation Protocols for Sharded Blockchains"

Membership and direction of organisations:

• [2024-present] ACS Australian Representative, IFIP Technical Committee 10 on Computer Systems Technology.
• [2024-present] Member, Communication and Outreach Committee, IFIP WG 10.4 on Dependable Computing and Fault Tolerance.
• [2024] Member, Selection Committee, The Test Of Time Award for DSN 2024.
• [2024] Member, Selection Committee, The 2024 Jean-Claude Laprie (JCL) Award for IFIP WG 10.4.
• [2023-present] Chair, ACE Working Group on Sustainability and Social Impact.
• [2022-present] Elected Member, IFIP Working Group 10.4 on Dependable Computing and Fault Tolerance
• [2021-present] Scientific Advisory Board, Austrian Blockchain Center, Austria.

Journal editorship:

• [2024-present] Associate Editor, ACM Distributed Ledger Technologies: Research and Practice (ACM DLT).
• [2024] Guest Editor, Blockchain: Research and Application, Special Issue title: “Unleashing the Potential: Advancements and Innovations in Blockchain Technology”.
• [2024] Guest Editor, IEEE Internet of Things Magazine , Special Issue title: “IoT Security and Provisioning in Cyber-Enabled Niche Critical Infrastructure”.
• [2023-present] Associate Editor, International Journal of Blockchain Applications and Secure Computing (IJBASC)

Conference (Co-)Chair:

• Publicity Co-Chair. The 54th IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), 2024
• PC Co-Chair and General Co-Chair, 83rd Meeting of the IFIP WG 10.4 - the Future of Blockchains, 2023.
• Publication Co-Chair, BlockSys 2023.
• Publicity Co-Chair, EAI BlockTEA 2022.
• Publicity Co-Chair, IEEE Blockchain 2021.
• PC Co-Chair, Workshop on Blockchain Security, Application, and Performance (BSAP), IEEE Blockchain 2021.
• Publicity Co-Chair, IEEE GreenCom 2021.
• Publicity Co-Chair, EAI BlockTEA 2021.
• Publication Chair, ProvSec 2019.
• PC Co-Chair, the 74th Meeting of the IFIP WG 10.4 - Technological and societal challenges to blockchain dependability and security, 2018.
• PC Co-Chair, Workshop on BlockChain, Birmingham, United Kingdom, 2015.

Conference Program Committee Member:

2025

• The USENIX Annual Technical Conference(USENIX ATC)
• The 32nd ACM Conference on Computer and Communications Security (CCS)
• The 34th ACM Web Conference (WWW)
• The 55th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)

2024

• The 50th International Conference on Very Large Data Bases (VLDB)
• The 31th ACM Conference on Computer and Communications Security (CCS)
• The USENIX Annual Technical Conference (USENIX ATC) (ERC)

2023

• The 53rd Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)
• The 43rd IEEE International Conference on Distributed Computing Systems (ICDCS)
• The 20th Annual International Conference on Privacy, Security, and Trust (PST)
• ConsensusDay

• IEEE Technical Achievement Award,IEEE TEMS TC on Blockchain and DLT, 2024.
• Best Paper Award,PRDC 2024.
• ACM SIGSOFT Distinguished Paper Award, presented at Internetware'24.
• Research Talent Accelerator Award, Monash University, 2023.
• Best Paper Award, IEEE Blockchain 2022.
• Best Paper Award, NSS 2022.
• Discovery Early Career Researcher Award (DECRA), Australian Research Council (ARC), 2021.
• Best Paper Award, IEEE Blockchain 2021.
• IBM Academic Award, 2020.
• Dean's Award for Excellence in Research Impact, Monash University, 2019.
• Finalist (Technology Application) for Endeavour Awards, Premier Awards Program (Manufacturing Industry), Australia, 2019.
• Chinese Government Award For Outstanding PhD Scholar Abroad, 2016. (3% in UK, 1% worldwide.)
• Finalist for RAEng Enterprise Fellowship, Royal Academy of Engineering (RAEng), UK. 2015.