Stablecoin-based cards are seeing rapid adoption in Latin America, with retail spend growing 105-106% over the past year, according to Rain head John Timoney at Consensus Miami 2026. Rain, a stablecoin infrastructure provider and new Mastercard Principal Member, enables issuers to offer credit and prepaid cards that let users spend USDT or USDC from digital wallets at merchants globally. The cards work through existing card networks, so merchants receive fiat, while users benefit from stablecoin flexibility. Key behind-the-scenes innovation: stablecoin settlement allows card programs to settle on weekends and holidays, reducing trapped capital by over 40%. Traditional card programs must pre-fund network obligations during bank closures, but stablecoins move outside cut-off times. Mastercard is deepening its stablecoin push, recently agreeing to buy BVNK for up to $1.8 billion and onboarding Binance, PayPal, and Ripple into blockchain payments. For wallet and key holders, stablecoin cards offer a practical way to spend digital assets without converting to fiat first. However, most users today are crypto-native. Broader adoption requires better on-ramps and invisible technology. Security implications: using non-custodial wallets with cards introduces new attack surfaces, such as smart contract risks in escrow-based settlement. Users must still protect private keys, as assets remain on-chain until spent.

Key facts

• Stablecoin card spend grew 105-106% year-over-year, per Rain's John Timoney.
• Rain's stablecoin settlement reduces trapped capital by over 40% for issuers.
• Mastercard agreed to buy stablecoin infrastructure firm BVNK for up to $1.8 billion.
• Stablecoin cards remain under 1% of global card spend, mostly crypto-native users.
• MetaMask Card lets users spend from self-custodial wallets via Mastercard and Baanx.

KeyAudit data perspective