Stablecoin card spend is doubling every year — and Rain says LatAm double-digit market share is coming!

Retail stablecoin card spend grew roughly 105% over the past year, Rain head of strategic partnerships John Timoney said at Consensus Miami 2026, with some Latin American markets on track to give stablecoin cards double-digit share of all card transactions. Rain, now a Mastercard Principal Member, is deliberately routing stablecoin balances through existing card networks rather than building parallel rails — tapping the hundreds of millions of merchants Mastercard has aggregated over decades.

The infrastructure case may be even more compelling than the consumer story. Rain says stablecoin settlement lets card programs clear on weekends and holidays, cutting trapped capital by more than 40% in some programs. Traditional issuers must pre-fund network obligations when banking rails are closed; stablecoins move outside those cut-off windows, freeing capital that would otherwise sit…