Payments infrastructure company Rain has connected KRW1, a Korean won-pegged stablecoin issued on Avalanche, to Visa's global card network, letting holders spend the token directly at Visa merchants without first converting it to fiat. The integration turns a stablecoin whose main use case has so far been settlement and remittances into something closer to everyday spending money, at least for anyone holding won-denominated crypto.
KRW1 is issued by BDACS, a South Korean digital-asset custody firm, with each token backed one-to-one by won reserves held at Woori Bank, one of the country's largest commercial banks. Rain's role sits on the other end of the transaction: the company issues the actual Visa cards, handles settlement with the card network, and manages the on-chain-to-fiat conversion that happens invisibly at the point of sale. In practice, a KRW1 holder swipes a Rain-issued card, and Rain settles with Visa on the back end while debiting the user's on-chain balance — no manual off-ramp required.
The partnership is structured to expand in phases as South Korean regulation around foreign-exchange transactions evolves, rather than launching with full functionality on day one. BDACS has also said it wants to make KRW1 interoperable with other networks and is weighing closer ties to dollar-pegged stablecoins like USDT and USDC — a sign that won-denominated crypto is being built less as an isolated national product and more as one node in a broader multi-currency stablecoin system. That ambition is already visible elsewhere: KRW1 recently adopted LayerZero to support cross-chain transfers, the same interoperability standard used by USDT0 and PYUSD, giving the token a path to move beyond Avalanche without BDACS having to build bespoke bridges to every chain it wants to reach.
Rain's bet mirrors a broader pattern in stablecoin payments: card rails, not new consumer apps, are becoming the default distribution layer for stablecoin spending. Visa's own stablecoin card programs have grown past 160 globally as payment volume has nearly tripled, and rival infrastructure providers have pursued similar plays — Stripe's Privy unit recently shipped a prebuilt card component specifically for stablecoin issuers to plug into. For a South Korean won stablecoin trying to prove real-world utility beyond exchange trading pairs, plugging into an existing global card network is a faster route to usage than trying to build merchant acceptance from scratch.
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The bigger question is regulatory runway. South Korea's Foreign Exchange Transactions Act governs how residents can move value in and out of won, and BDACS has been explicit that the Rain partnership will only widen "in phases" as that framework develops. A stablecoin that can already settle at any Visa merchant worldwide is a meaningfully different product from one restricted to domestic, regulator-approved use cases — and how quickly Korean regulators let BDACS close that gap will determine whether KRW1 becomes a genuine spending instrument or stays a settlement rail used mostly by institutions and traders.
