Quantum Communications and Enhancing Security

Chander Velu (), Keith Norman (), Yuzhen Zhu (), Fathiro Hutama Reksa Putra () and Christopher Noble ()
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Chander Velu: University of Cambridge, Institute for Manufacturing, Department for Engineering
Keith Norman: University of Oxford, Department of Physics
Yuzhen Zhu: University of East Anglia, Norwich Business School
Fathiro Hutama Reksa Putra: Bandung Institute of Technology
Christopher Noble: University of Oxford, Department of Physics

Chapter Chapter 3 in The Business of Quantum Technologies, 2025, pp 67-94 from Springer

Abstract: Abstract This chapter explores the application of quantum mechanics to data security and its transformative implications. It outlines the vulnerabilities of classical encryption methods and introduces alternative solutions such as post-quantum cryptography (PQC) and quantum key distribution (QKD). It highlights developments in the emerging quantum-enabled internet. The chapter also discusses the potential benefits of blind quantum computing that allows a client to perform calculations on a quantum server while keeping the computation private. Real-world deployments and pilot projects of QKD and PQC are reviewed, along with comparative analysis of national programmes and related policy implications. The chapter discusses the possible business and economic implications of quantum communications and identifies research questions for further exploration.

Keywords: Quantum Communication; Data Security; Classical Encryption; Post-Quantum Cryptography; Quantum Key Distribution; Quantum-enabled Internet; Hybrid Classical-Quantum Communication; Quantum-Safe Transition (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/978-3-031-99808-9_3

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