SWIFT’s blockchain ledger enters tests with Citi, MUFG for 24-hour cross-border payments
International network's platform seeks faster transfers and smaller fees SWIFT's digital ledger will enable real-time transfers even when bank branches are closed. (Nikkei montage) TOKYO -- The SWIFT financial messaging network has begun trials of a blockchain digital ledger for always-on, cross-border transfers between banks, aiming to speed up transactions and lower fees, which could help popularize tokenization.