Circle

Circle is a financial technology company founded in 2013 and headquartered in the United States. It operates a full-stack payments and digital asset platform, and is best known as the issuer of USDC, a regulated US dollar-backed stablecoin. As of mid-2026, USDC has approximately $73.6 billion in circulation, natively issued on 35 blockchain networks including Ethereum, Solana, Arbitrum, Polygon, and Base.

Circle holds financial licences across the United States, European Union, United Kingdom, Singapore, UAE, Bermuda, Canada, and Japan, making it one of the most broadly regulated stablecoin issuers globally. USDC reserves are held in cash and short-duration US government securities, with monthly attestations published by a Big Four accounting firm. Circle also issues EURC, a regulated euro-backed stablecoin.

Beyond stablecoins, Circle offers developer infrastructure including a cross-chain transfer protocol (CCTP), programmable wallets, smart contract tooling, and the Circle Payments Network for cross-border settlement. The platform serves financial institutions, fintechs, and developers in over 185 countries.