Accessibility StatementSkip Navigation World's First Large-Scale Trial of Quantum-Secure Stablecoin Settlement Network BTQ × Danal PoC live:Â Danal, Korea's #1 mobile carrier billing provider and operator of Paycoin (PCI), has begun a Proof-of-Concept of BTQ's Quantum-Secure Stablecoin Settlement Network (QSSN) across select payment rails, the world's first large-scale trial of quantum-secure settlement on real infrastructure. What's being tested:Â QSSN adds post-quantum security, programmable issuer contro ...