Visa has published a research paper exploring an offline payment system (OPS) protocol for central bank digital currencies (CBDC) that would enable users to make digital payments to other users even when both sender and recipient are temporarily offline or unable to connect to a bank, payment network or other intermediary. The 21-page paper explains […]

Read the rest of Visa proposes CBDC protocol that lets consumers exchange digital cash via Bluetooth or NFC at NFCW.