Rain, MassPay and other stablecoin startups advance payment applications

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Stablecoin startups including Rain and MassPay are bringing digital assets into everyday payments, using connections to traditional payment rails, real-time payment systems and mobile wallets to facilitate sending and receiving funds. Rain launched a digital wallet for stablecoin balances this week, supported by its card-issuing infrastructure, and plans to offer a custodial wallet by year-end. MassPay, meanwhile, serves about 300 businesses and processes tens of billions of dollars annually, with approximately 10% completed in stablecoins and about half involving cross-border payments.