According to The Asia Business Daily, Toss Payments, a subsidiary of South Korea’s Viva Republica (Toss), announced on April 3 that it has become the first company in South Korea’s financial and IT industries to fully implement post-quantum cryptography. This technology, based on complex mathematical algorithms, is designed to resist brute-force attacks from quantum computers. Toss Payments has deployed this technology across its entire infrastructure, including its own data centers, cloud environments, and payment interfaces, using a hybrid key exchange method based on the U.S. NIST standard algorithm "ML-KEM," which combines traditional elliptic curve cryptography with post-quantum algorithms to address both current and future security threats.
Toss Payments Becomes the First Korean Fintech to Fully Implement Post-Quantum Cryptography
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Summary
Toss Payments, a subsidiary of South Korea’s Viva Republica, has fully implemented post-quantum cryptography, becoming the first Korean fintech to do so. The system employs a hybrid key exchange method based on the U.S. NIST standard ML-KEM, combining elliptic curve cryptography with post-quantum algorithms. The upgrade encompasses data centers, cloud environments, and payment portals, aiming to secure on-chain data and infrastructure against future quantum threats.
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