ソース:[1] Citi Bank Introduces Blockchain Technology to Cross-Border Payment Services (https://www.techflowpost.com/newsletter/detai ...)[2] Citi's tokenized deposits now support interbank payments 24/7 - Ledger Insights (https://vertexaisearch.cloud.google.com/groun ...)[3] Sibos 2025: Swift to add blockchain-based ledger, vaulting towards instant cross-border payments - Trade Finance Global (https://vertexaisearch.cloud.google.com/groun ...)