Local Fiat → Fiat
Customer pays through a local method; provider processes and merchant receives fiat settlement.
A payment architecture becomes clearer when customer payment method, processing, conversion and settlement are separated.
Customer pays through a local method; provider processes and merchant receives fiat settlement.
Customer uses a local fiat method; a compatible structure may allow settlement in USDT/USDC.
A card funds a digital-asset purchase through a compatible on-ramp.
A digital asset enters an off-ramp and converts to fiat according to provider and jurisdiction.
Processing/conversion allows value to be consolidated into a compatible stablecoin.