Sigma App, Inc. builds Sigma, stablecoin-native global payroll for US companies with teams across Latin America. Companies fund once by ACH or USDC and pay contractors from one balance, with local bank payouts in 17 of 19 LatAm markets and same-day payouts in 13. Contractors get a USD wallet, a virtual Visa card and flexible withdrawals, with onboarding over WhatsApp, fully in Spanish.