Quantum Biometrics Achieves 89% Secure Authentication in Decentralised Systems

The increasing reliance on biometric authentication within smart cities and decentralised systems presents both opportunities and vulnerabilities in digital identity management. Tooba Qasim, Vasilios A. Siris, and Izak Oosthuizen, alongside Muttukrishnan Rajarajan and Sujit Biswas from City, University of London, have addressed the critical need for quantum-resistant security in these evolving infrastructures. Their research tackles the inherent risks of centralised biometric data storage and the trust issues arising in decentralised networks, where devices must verify each other before sharing sensitive information. 



The team proposes a novel communication protocol leveraging an enhanced Quantum Key Distribution system, fortified with post-quantum cryptography and authentication qubits, to establish secure channels for biometric data transmission. Simulations demonstrate a promising key generation rate and efficiency, suggesting a scalable and robust solution for the next generation of secure, decentralised biometric authentication.


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