Circle

Circle Internet Group is the public-company issuer of USDC, the second-largest US dollar stablecoin by market capitalization, founded in 2013 by Jeremy Allaire and Sean Neville and listed on the NYSE under the ticker CRCL. The company's commercial book is built on stablecoin issuance, treasury operations on the dollar reserves that back USDC, and a developer platform that exposes mint, burn, and on-chain settlement primitives to wallets, exchanges, and payment companies.

Circle's 2026 strategic pivot positions the company as infrastructure for the agentic economy — the emerging model where autonomous AI agents transact directly with services and with each other, rather than through a human-operated wallet. The flagship product line is Circle Agent Stack, an open-source suite of primitives that lets developers (and self-running AI agents) build systems where agents hold assets, discover services, and transact programmatically in USDC. Initial components include Circle CLI (a command-line interface for agent setup), Agent Wallets (programmatic USDC custody scoped per agent), an Agent Marketplace (a discovery layer where agents publish and find services), and Nanopayments powered by Circle Gateway — a primitive supporting gas-free USDC transfers as small as one millionth of a dollar, aimed at the high-frequency machine-to-machine commerce that traditional payment rails make uneconomic.

Alongside Agent Stack, Circle launched the Arc blockchain — a new settlement layer purpose-built for agentic and high-frequency stablecoin payments — and raised approximately $222 million in an ARC token presale led by BlackRock and Andreessen Horowitz. The combined infrastructure represents Circle's bet that agent-native payment rails will need to be designed differently from human-facing bank-rails and from the existing crypto-native DeFi stack — with USDC as the unit of account, Arc as the settlement layer, and the Agent Stack as the developer surface.

Circle's positioning sits in direct contrast with the bank-rails approach that frontier AI labs are taking: OpenAI's ChatGPT now plugs into more than 12,000 financial institutions via Plaid, and Anthropic ships financial-services agents that integrate with regulated bank APIs. The strategic question Circle Agent Stack puts in front of the industry is whether agent-mediated payments at meaningful scale belong inside the existing banking system or on stablecoin-native rails designed for machine-to-machine commerce from the start.