PoNW: A Secure and Scalable Proof-of-Notarized-Work Based Consensus Mechanism. - Mwrwan Abubakar; Zakwan Jaroucheh; Ahmed Al-Dubai 001; Bill Buchanan 001 (ICVISP, 2020)

A Decentralised Authentication and Access Control Mechanism for Medical Wearable Sensors Data. - Mwrwan Abubakar; Zakwan Jaroucheh; Ahmed Al-Dubai 001; Bill Buchanan 001 (COINS, 2021)

Blockchain-Based Authentication and Registration Mechanism for SIP-Based VoIP Systems. - Mwrwan Abubakar; Zakwan Jaroucheh; Ahmed Yassin Al-Dubai; William J. Buchanan (CSNet, 2021)

Blockchain-based identity and authentication scheme for MQTT protocol. - Mwrwan Abdelrazig Abubakar; Zakwan Jaroucheh; Ahmed Al-Dubai 001; Xiaodong Liu 002 (ICBCT, 2021)

Blockchain-based Platform for Secure Sharing and Validation of Vaccination Certificates. - Mwrwan Abubakar; Pádraig McCarron; Zakwan Jaroucheh; Ahmed Yassin Al-Dubai; Bill Buchanan 001 (SIN, 2021)

The Future of Integrated Digital Governance in the EU: EBSI and GLASS. - William J. Buchanan; Mwrwan Abubakar; Owen Lo; Christos Chrysoulas; Nikolaos Pitropakis; Pavlos Papadopoulos; Sarwar Sayeed; Marc Sel (CoRR, 2022)

A Review of the Non-Fungible Tokens (NFT): Challenges and Opportunities. - Mwrwan Abubakar; Nilupulee Anuradha Gunathilake; William J. Buchanan; Brian O'Reilly (BDTA, 2023)

PASSION: Permissioned Access Control for Segmented Devices and Identity for IoT Networks. - Hisham Ali; Mwrwan Abubakar; Jawad Ahmad 001; William J. Buchanan; Zakwan Jaroucheh (CAMAD, 2023)

A Systematic Review of the Blockchain Technology Security Challenges and Threats Classification. - Mwrwan Abubakar; Belinda I. Onyeashie; Isam Wadhaj; Petra Leimich; Hisham Ali; William J. Buchanan (BCCA, 2024)

Transforming EU Governance: The Digital Integration Through EBSI and GLASS. - Dimitrios Kasimatis; William J. Buchanan; Mwrwan Abubakar; Owen Lo; Christos Chrysoulas; Nikolaos Pitropakis; Pavlos Papadopoulos; Sarwar Sayeed; Marc Sel (SEC, 2024)

vSPACE: Voting in a Scalable, Privacy-Aware and Confidential Election. - Se Elnour; William J. Buchanan; Paul Keating; Mwrwan Abubakar; Sirag Elnour (CoRR, 2024)