Quantum Computing in Payments Security: Preparing for the Post-Quantum Era

Priya Das

doi:10.71097/IJSAT.v16.i1.2712

Quantum Computing in Payments Security: Preparing for the Post-Quantum Era

Author(s)	Priya Das
Country	United States
Abstract	Quantum computing presents a fundamental threat to current payment security infrastructure by potentially breaking the cryptographic systems that protect financial transactions worldwide. As quantum technology advances from theoretical concept to practical reality, financial institutions face an urgent need to transition to quantum-resistant cryptographic algorithms. This article explores the vulnerabilities of traditional cryptography to quantum attacks, examines emerging post-quantum cryptographic approaches, and details the standardization efforts led by NIST to develop secure alternatives. It further analyzes implementation considerations including cryptographic agility, hybrid approaches, and hardware security module adaptations, while addressing key challenges related to performance, backward compatibility, and regulatory compliance. A strategic roadmap is presented for financial organizations to prepare for the post-quantum era through comprehensive cryptographic inventory, risk assessment, standards monitoring, vendor engagement, and skills development to ensure continued protection of payment systems.
Keywords	Keywords : Cryptographic Agility, Financial Security, Post-Quantum Cryptography, Quantum Computing, Transaction Protocols
Field	Computer
Published In	Volume 16, Issue 1, January-March 2025
Published On	2025-03-22
Cite This	Quantum Computing in Payments Security: Preparing for the Post-Quantum Era - Priya Das - IJSAT Volume 16, Issue 1, January-March 2025. DOI 10.71097/IJSAT.v16.i1.2712
DOI	https://doi.org/10.71097/IJSAT.v16.i1.2712
Short DOI	https://doi.org/g892d3

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Quantum Computing in Payments Security: Preparing for the Post-Quantum Era

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