Circle Just Dropped a Blockchain That Could Change the Global Economy Forever

Circle Internet Group has unveiled the public testnet for Arc, its new Layer 1 blockchain designed to support large-scale financial and enterprise applications onchain.

Marketed as an “Economic Operating System for the internet,” Arc already involves over 100 organizations spanning banking, capital markets, payments, and technology. Developers and enterprises can now deploy, test, and build applications directly on the network.

Jeremy Allaire, Circle’s co-founder and CEO, highlighted the blockchain’s broad reach, noting that participating companies collectively interact with billions of users, handle vast volumes of assets and payments, and operate across diverse regions including Africa, the Americas, Asia, Europe, and the Middle East. He described Arc as purpose-built to connect local markets to the global economy.

Enterprise-Grade Infrastructure with Fast, Predictable Transactions

Arc’s architecture offers predictable dollar-based fees, sub-second transaction finality, optional configurable privacy, and seamless integration with Circle’s full-stack platform. It targets enterprise use cases across global payments, capital markets, foreign exchange, and lending, while also enabling stablecoin and tokenized asset issuance. USDC serves as Arc’s native gas token.

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Following Circle’s $1.2 billion IPO, the testnet launch has attracted leading institutions from multiple sectors. Capital market participants include Apollo, BNY Mellon, Intercontinental Exchange, and State Street, while banks and asset managers such as BlackRock, Goldman Sachs, HSBC, Société Générale, and Standard Chartered are also involved. Payments and technology companies like Amazon Web Services, Visa, Mastercard, Cloudflare, and Brex are engaging with the network, underscoring its broad enterprise applicability.

Arc also supports fiat-denominated tokens, with projects like Forte Securities’ AUDF, Avenia’s BRLA, and Coins.ph’s PHPC already participating. The developer ecosystem features key infrastructure and tooling providers including Alchemy, Chainlink, LayerZero, and Thirdweb, while wallet compatibility extends to MetaMask, Fireblocks, Ledger, and Turnkey. AI-powered developer tools are being integrated through partnerships with Anthropic.

The blockchain is also connecting to other networks through cross-chain protocols like Wormhole and Stargate, with exchanges and liquidity providers such as Coinbase, Kraken, Robinhood, and Galaxy Digital testing trading and market functions. Circle emphasized that Arc is designed to combine high-performance infrastructure with regulatory-grade compliance, aiming to meet institutional standards in both traditional and digital finance.

Allaire concluded that Arc offers companies a chance to build on enterprise-grade infrastructure while contributing to a more open, inclusive, and efficient global economic system, natively on the internet.