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Circle Internet Group, Inc. Announces Founding Validator Cohort and Major Integrations for Arc Ahead of Mainnet Launch
Circle Internet Group, Inc. announced the founding validator cohort for Arc, an open blockchain network built for the world's financial markets, real-time money movement, and agentic economic activity. Arc is currently in private mainnet with more than 100 ecosystem and institutional builders and is on track for a public mainnet launch on September 16, 2026. The founding validator cohort includes BlackRock, The Depository Trust & Clearing Corporation (DTCC), Galaxy, Global Payments, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo Corporation, and Visa. Arc is gaining significant traction with major institutions. BlackRock, BNY, DTCC, and Standard Chartered are each exploring unique integrations with the network, spanning tokenized asset settlement, digital asset custody, stablecoin access, and FX and repo infrastructure. BlackRock is expected to deploy BUIDL, the BlackRock USD Institutional Digital Liquidity Fund, on Arc, leveraging the network’s native USDC integration. It enables institutional investors to subscribe, redeem, and deploy fund assets within a single onchain environment. Circle is collaborating with DTCC to enable the tokenization of The Depository Trust Company (DTC) - custodied assets on Arc beginning in the second half of 2027. The connection is intended to enable market participants to utilize third-party applications on Arc that may enable stablecoin-native settlement outside of DTC but against DTC-tokenized assets. The integration is aligned with DTCC’s multi-chain strategy, which is designed to enable market participants to leverage the benefits of blockchain and digital ledger technology, such as accelerated settlement, enhanced asset mobility, extended trading hours, and greater cost and operational efficiencies. DTC-tokenized assets will continue to provide the same protections, rights, and safeguards investors receive with traditionally held assets. Arc is also set to have a wide range of day one apps and services expected to be live across a range of verticals in the digital asset ecosystem, including: DeFi protocols and capital allocators, including Aave, Aerodrome, FalconX, Galaxy, GSR, Keyrock, Morpho, Nonco, Uniswap, and XFX powering liquid markets for borrowing, trading, and onchain capital deployment; stablecoin payments providers including Rain, Thunes, and Wirex for routing real-world stablecoin payment and settlement flows through Arc, spanning card-based settlement, regulated consumer platforms, and global cross-border payment networks; major exchanges and wallet providers including Binance Wallet, Chainlink, Fireblocks, Kraken, Ledger, MetaMask, Uniswap Labs, and Upbit enabling seamless access to USDC on Arc and supporting secure custody and crosschain movement of assets. At launch, Circle will unveil a product suite built around Arc as a platform, including a composable app framework for common onchain workflows, AI-powered tools for building applications and smart contracts, capabilities that help asset issuers deploy and manage tokenized real-world assets, and intuitive interfaces that help developers, users, and agents navigate the Arc ecosystem. Arc's architecture is designed to be open and permissionless at its core, enabling the kind of composable innovation that has driven DeFi, while meeting the trust and compliance standards that traditional finance demands.