Circle Internet Group is a fintech and digital dollar infrastructure company best known for issuing and operating the USDC stablecoin and EURC. Through Circle Mint, APIs, wallet infrastructure, and settlement tools, the company serves exchanges, financial institutions, enterprises, and developers that need regulated digital-dollar payments, treasury operations, cross-border settlement, and on-chain application access. Its economics are tied to stablecoin circulation, reserve income, transaction activity, and adoption of new infrastructure products. In 2025, Circle launched Circle Payments Network and advanced Arc, a Layer-1 blockchain initiative focused on stablecoin payments and settlement.