Core Insights - The article discusses the world's first large-scale trial of a Quantum-Secure Stablecoin Settlement Network (QSSN) initiated by BTQ Technologies in collaboration with Danal, a leading mobile carrier billing provider in Korea [1][4]. Group 1: QSSN Overview - QSSN aims to enhance payment security by integrating post-quantum cryptography, programmable issuer controls, and real-time compliance features while maintaining user experience [2][5]. - The Proof-of-Concept (PoC) will assess the effectiveness of QSSN in providing quantum-secure settlements and issuer controls within Danal's existing payment infrastructure [5][8]. Group 2: Regulatory Context - The PoC addresses the "harvest-now, decrypt-later" risk and aligns with global standardization efforts in post-quantum cryptography, demonstrating the feasibility of deploying PQC at a national scale without operational disruptions [3][7]. - QSSN is positioned as a leader in global standardization for quantum-secure digital money, supported by initiatives from QUINSA and recognition from the U.S. PQFIF [7]. Group 3: Danal's Market Position - Danal holds a leading market share in mobile carrier billing in Korea and serves tens of millions of users through its payment infrastructure [9][10]. - The company operates Paycoin (PCI), one of Korea's first widely adopted crypto-based payment services, and has established a diversified footprint across e-commerce, gaming, digital content, and offline retail [9][10]. Group 4: BTQ Technologies Profile - BTQ Technologies is a global quantum technology company focused on securing mission-critical networks and is backed by a broad patent portfolio [11]. - The company aims to facilitate the transition from classical networks to the quantum internet, providing a full-stack quantum computing platform with end-to-end security solutions [11].