Circle Launches Arc Blockchain for Agentic Economy

Circle has introduced Arc, an enterprise-grade Layer-1 blockchain designed to function as an "Economic OS for the internet" [1]. The platform aims to provide the programmable, real-time financial infrastructure necessary for an emerging "agentic economy," where autonomous AI agents and machines can conduct transactions without human intervention [2].

Key takeaways

• Arc is engineered for enterprise use, featuring stablecoin-based gas fees, sub-second finality, and opt-in configurable privacy [1].
• The project seeks to support machine-to-machine commerce, allowing IoT devices and AI agents to manage their own financial autonomy [1].
• Circle Ventures has launched the Arc Builders Fund to provide capital and support to early-stage teams developing applications on the network [1].
• A public testnet for Arc launched on October 28, 2025, drawing participation from over 100 companies [2].
• Reports indicate a $222 million presale for the native ARC token was completed on May 11, 2026, at a $3 billion fully diluted valuation [2].

Infrastructure for an Autonomous Economy

The core design of Arc prioritizes predictable costs and high-speed performance to accommodate machine-driven activity. By denominating gas fees in stablecoins like USDC rather than volatile native tokens, the network aims to eliminate the uncertainty of transaction costs [2]. The platform utilizes what Circle describes as "Nanopayments," which can reduce transaction fees to as low as $0.000001, a cost structure intended to make high-frequency, low-value machine transactions economically viable [2].

To accelerate the development of this ecosystem, Circle Ventures introduced the Arc Builders Fund. This initiative provides funding, hands-on support, and access to an investor network for companies building on the platform [1]. The fund is targeting specific high-impact verticals, including perpetuals markets, credit protocols, onchain foreign exchange, and energy and compute markets [1]. While Circle Ventures has engaged a network of top-tier investors to review submissions, the company clarifies that this is an internal initiative and not a formal investment fund [1].

Why it matters

Arc represents a strategic shift for Circle, moving beyond its role as a stablecoin issuer to become a provider of core blockchain infrastructure [2]. By creating a specialized environment for AI agents and enterprise applications, the project attempts to solve the friction currently faced by autonomous software operating on financial rails designed for human speed and cost [1]. While the ARC token is expected to support governance and a future proof-of-stake mechanism, specific details regarding its utility remain undefined [2]. As the network develops, its success will depend on its ability to attract builders who require deterministic finality and enterprise-grade rails for real-world economic activity [1].