Publications
Please find the full list of my papers on Google Scholar and DBLP.
2026
Decoupled Smart Contract Audits: Lightweight LLM Framework via Distillation and Aggregation
2026 IEEE International Conference on Web Services (ICWS).
An efficient end-to-end smart contract security audit framework using lightweight open-source LLMs, decoupling detection, explanation, severity classification, and remediation via distillation and a Chain-of-Verification aggregation strategy.
2025
FedPPA: Progressive Parameter Alignment for Personalized Federated Learning
2025 IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom).
FedPPA progressively aligns shared-layer weights with the global model to reduce global-local inconsistency in Personalized Federated Learning, consistently outperforming existing FL algorithms on MNIST, FMNIST, and CIFAR-10.
TruChain: A Multi-Layer Architecture for Trusted, Verifiable, and Immutable Open Banking Data
2025 IEEE International Conference on Metaverse Computing, Networking, and Applications (MetaCom).
TruChain is a three-layer open banking architecture that validates data sources via decentralized identity, authenticates data with cryptographic signing, and anchors records on the Tangle ledger, achieving a 100% validation rate with low CPU/memory overhead.
Fast and Interactive Byzantine Fault-tolerant Web Services via Session-Based Consensus Decoupling
2025 IEEE International Conference on Metaverse Computing, Networking, and Applications (MetaCom).
This paper decouples BFT consensus into a fast session-aware transaction buffer for immediate user feedback and a periodic batch-committed consensus layer, achieving sub-200ms responsiveness while preserving end-to-end transaction integrity.
Endorsement-Driven Blockchain SSI Framework for Dynamic IoT Ecosystems
2025 IEEE International Conference on Blockchain and Cryptocurrency (ICBC).
A blockchain-based Self-Sovereign Identity framework for dynamic IoT ecosystems that lets any individual with a verifiable trust linkage act as a credential issuer, using endorsement-based trust establishment and smart contracts for credential lifecycle management.
2023
Challenges in Designing Blockchain for Cyber-Physical Systems
Communications of the ACM (CACM), July 2023, Vol. 66 No. 7, Pages 81-82.
This paper identifies three core challenges in designing blockchain for cyber-physical systems, scalability, trust, and the privacy-transparency trade-off, and addresses them via parallel geography-based chains, sensor-corroborated reputation, and zero-knowledge proofs.
Privacy-preserving Trust Management for Blockchain-based Resource Sharing in 6G-IoT
2023 IEEE International Conference on Blockchain and Cryptocurrency (ICBC).
A privacy-preserving Trust and Reputation Management scheme for blockchain-based 6G-IoT resource sharing, using two interconnected blockchains to protect node identity while still enabling trust scoring with minimal overhead.
Trust and Reputation Management for Blockchain-enabled IoT
15th International Conference on COMmunication Systems & NETworkS (COMSNETS).
This paper shares the authors' experience designing Trust and Reputation Management frameworks for several blockchain-enabled IoT applications and highlights open research challenges.
2022
Blockchain for Trust and Reputation Management in Cyber-physical Systems
Handbook on Blockchain (pp. 339-362). Cham: Springer International Publishing.
This chapter outlines the fundamental components of Decentralised Trust and Reputation Management Systems for cyber-physical systems, surveys existing implementations, and identifies open research challenges.
Toward Blockchain-Based Trust and Reputation Management for Trustworthy 6G Networks
IEEE Network Magazine, 36(4), 112-119.
This paper argues that blockchain-based Trust and Reputation Management is critical for trustworthy 6G networks, illustrated with a 6G resource-management case study.
A Democratically Anonymous and Trusted Architecture for CTI Sharing using Blockchain
2022 International Conference on Computer Communications and Networks (ICCCN).
A blockchain-based architecture for secure, anonymous Cyber Threat Intelligence sharing between organisations, overcoming the trust, privacy, and accountability barriers inherent to the domain.
DIMY: Enabling Privacy-preserving Contact Tracing
Journal of Network and Computer Applications, 202, 103356 (JNCA).
DIMY ("Did I Meet You") is a blockchain-based privacy-preserving contact tracing protocol using Bloom filters and Diffie-Hellman key exchange, resisting known attacks with a smaller storage footprint than comparable apps.
DeTRM: Decentralised trust and reputation management for blockchain-based supply chains
2022 IEEE International Conference on Blockchain and Cryptocurrency (ICBC)
DeTRM is a decentralised trust and reputation management solution for blockchain-based supply chains that resolves data trust by correlating sensor data across adjacent nodes, validated on a Hyperledger Fabric proof-of-concept.
2021
Blockchain Tools for Nuclear Safeguards
Blockchain for International Security, pp 37-54, October 2021 (edited book). Springer, Cham.
This chapter explains how SLUMBAT and SLAFKA, a minimal demonstration and a prototype blockchain solution for nuclear material accounting, met the recording, reporting, and access-control requirements of nuclear safeguards.
Decentralised Trustworthy Collaborative Intrusion Detection System for IoT
2021 IEEE International Conference on Blockchain (Blockchain), 2021.
A decentralised, blockchain-based Collaborative Intrusion Detection System that offloads trust computation to the blockchain and scalably stores shared detection rules, validated on a lab-scale Ethereum testbed.
Trust-based Blockchain Authorization for IoT
IEEE Transactions on Network and Service Management, Vol 18, Issue 2, June 2021, pp 1646-1658 (IEEE TNSM).
A decentralised attribute-based access-control mechanism augmented with a blockchain-based Trust and Reputation System, evaluated on a public Rinkeby Ethereum test network interconnected with a lab-scale testbed.
Towards Privacy-preservingDigital Contact Tracing
3rd IEEE International Conference on Blockchain and Cryptocurrency, 2021 (ICBC).
This paper proposes DIMY ("Did I Meet You"), a blockchain-based privacy-preserving contact tracing protocol using Bloom filters and Diffie-Hellman key exchange, achieving resilience to known attacks with low storage overhead.
Cost-Effective Blockchain-based IoT Data Marketplaces with a Credit Invariant
3rd IEEE International Conference on Blockchain and Cryptocurrency, 2021 (ICBC).
A trustless blockchain-based IoT data marketplace where producers and consumers settle off-chain agreements on-chain only for deposits and withdrawals, reducing fees via an added credit mechanism.
2020
SLAFKA: Demonstrating the Potential for Distributed Ledger Technology for Nuclear Safeguards Information Management
Stimson Center Research Report, Washington, DC, November, 2020.
SLAFKA is a prototype distributed ledger platform, built jointly by Finland's STUK, the Stimson Center, and UNSW, that demonstrates permissioned, confidentiality-preserving information-sharing for nuclear material accounting.
The SLUMBAT Demo of Blockchain Based Nuclear Safeguards
Journal of Nuclear Science and Technology, 58:6, 725-733, 2020 (JNST).
SLUMBAT is a permissioned-blockchain framework for nuclear material accounting and reporting, demonstrated in a nuclear fuel supply scenario across multiple State and regulatory systems.
A Decentralized Peer-to-Peer Remote Health Monitoring System
Sensors, vol. 20, no. 6, March 2020
This paper lets patients share biomedical data directly with doctors using Ethereum for negotiation/record-keeping and Tor for delivery, demonstrated via cardiac, sleep apnoea, and EEG monitoring use cases.
Towards Scalable and Trustworthy Decentralized Collaborative Intrusion Detection System for IoT
6th ACM/IEEE International Conference on Internet-of-Things Design and Implementation (IoTDI), 2020.
A decentralised, blockchain-based Collaborative Intrusion Detection System for IoT with accountable trust establishment and scalable Bloom-filter-based information storage.
Trust Management in Decentralized IoT Access Control System
2nd IEEE International Conference on Blockchain and Cryptocurrency, (ICBC), 2020.
A blockchain-based Trust and Reputation System that feeds directly into attribute-based access-control policy, enabling dynamic, self-adaptive IoT access rights.
2019
When IoT Meets Blockchain: Building Trust-Based Decentralized IoT Authorization System
UNSW Engineering Postgraduate Research Symposium, 2019.
Postgraduate research symposium abstract outlining early-stage work on a trust-based decentralised authorisation architecture for blockchain-enabled IoT systems, presented at the UNSW Engineering Postgraduate Research Symposium.
A Trust Architecture for Blockchain in IoT
16th EAI International Conference on Mobile and Ubiquitous Systems (Mobiquitous), 2019.
A layered architecture that improves end-to-end trust for blockchain-based IoT via data-trust and gateway-reputation modules, evaluated through simulated localisation and an end-to-end blockchain implementation.
The journal rank (Q4-Q1) and the conference rank (C-A*) presented above are retrieved from ScimagoJR and CORE respectively. Please consult the ScimagoJR website and CORE website for more detailed assessment methods.