Blockchain, Cybersecurity, and State Sovereignty: Emerging Models for Nigeria’s Digital Future

HHarrison Obiefule
Nigeria, Africa’s most populous country and largest digital economy, stands at a critical juncture in its pursuit of technological advancement, secure governance, and digital sovereignty. As cyber threats intensify and digital dependency on foreign platforms increases, the Nigerian state must reassess its approach to protecting its data, citizens, and national interests in cyberspace. This paper examines the role of blockchain technology in enhancing Nigeria’s cybersecurity architecture and reinforcing its digital sovereignty. Blockchain technology’s decentralised and tamper-proof nature offers new models for securing national databases, protecting digital identities, and restoring public trust in governance. Through the lens of political science and digital policy, this study examines the potential of blockchain to transform Nigeria’s governance systems, particularly in areas such as voter registration, land documentation, digital identification (e.g. NIN), and public service delivery. The paper critically analyses existing government initiatives, such as the National Blockchain Policy (2023), and identifies the institutional and infrastructural gaps that impede implementation. It also draws on comparative insights from other African countries deploying blockchain in governance to highlight regional trends and possibilities. Ultimately, the study argues that blockchain adoption must be rooted in Nigerian realities, addressing issues of digital literacy, local content development, and data localisation, while fostering collaboration between government, academia, and the private sector. If strategically embraced, blockchain can serve as a powerful tool not only for technological innovation but also for asserting Nigeria’s sovereignty and securing its digital future in an increasingly globalised world.
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Cite as: desci.ng.1308.2025
Uploaded on Sep 10, 2025, 12:51:09 PM

Notes

Very timely in Nigeria’s policy debates (e.g., National Blockchain Policy 2023). Relates to challenges with INEC elections, NIN identity system, and insecurity. Reinforces need for local capacity, digital literacy, and sovereignty against reliance on foreign tech platforms.