Gate News message, April 4, South Korea’s Viva Republica (Toss) announced on April 3 that its electronic payment gateway subsidiary, Toss Payments, has become the first company in Korea’s financial and IT industries to fully implement post-quantum cryptography. The technology is based on complex mathematical algorithms and can withstand brute-force attacks by quantum computers. Toss Payments has deployed this technology across all of its infrastructure, covering its own data centers, cloud environments, and payment terminals. In terms of technology, the company uses a hybrid key exchange method based on the U.S. NIST standard algorithm “ML-KEM,” combining traditional elliptic curve encryption with post-quantum algorithms to address both current and future security threats at the same time.
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