USDC

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• Circle confirmed the public mainnet for Arc, a layer 1 blockchain built for stablecoins like USDC, tokenized assets, payments and the agentic economy, will launch on September 16, 2026. A founding validator cohort features major traditional finance players including BlackRock, Visa, Mastercard, leading banks and payment processors. This provides dedicated infrastructure beyond general purpose chains. The launch represents deeper integration between traditional finance and onchain dollar rails.
• New proposed accounting rules combined with the GENIUS Act are viewed as a major boost for adoption of digital dollars such as USDC by corporations and financial institutions. Circle CEO Jeremy Allaire called the development a nine out of 10 in strategic importance. This builds on prior growth in regulated stablecoin demand and could expand USDC's role in treasury, payroll and enterprise applications.
• The emergence of Open USD backed by Stripe, Coinbase, BlackRock and others initially rattled Circle shares over potential USDC market share pressure. Executives from Visa, Mastercard and Coinbase affirmed a multi-stablecoin, multi-chain approach with Open USD as an additional payments rail rather than a replacement. Analysts remain cautious on USDC economics while noting strong liquidity and ongoing innovation including Arc.

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• Visa has issued a request for a licensed partner in the US, Canada, UK and Singapore to handle settlement and OTC services for USDC and other stablecoins. This includes support for the Open USD project backed by major payment companies. The move follows the acquisition of its previous provider by Mastercard and reflects deeper integration of regulated stablecoins into traditional payment infrastructure.
• Japanese convenience store chain Lawson is testing stablecoin payments including USDC at two Tokyo locations using existing POS systems. The August trials allow payments via wallets like MetaMask and Hashport without separate terminals. This evaluates speed, integration and operations as Japan explores mainstream stablecoin retail use.
• Circle reports that 99.3 percent of agentic payments run on USDC with over 900 paid services in its agent marketplace. Coinbase's x402 protocol processed millions of AI-initiated payments largely settled in USDC. This underscores the stablecoin's role as infrastructure for autonomous AI agents and the emerging agent economy.

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• Circle announced that its Arc blockchain mainnet will launch on September 16. The testnet has already processed more than half a billion transactions with nearly 3 million wallets created and over 100 partners active on the private mainnet. An initial validator cohort will help operate the network. Arc is positioned as financial infrastructure for global markets, which could broaden USDC use cases in institutional finance and tokenized assets.
• Circle minted approximately 1.25 billion USDC on Solana over the past week, including 250 million on the most recent day. Such issuances are watched closely as indicators of fresh liquidity entering the ecosystem. USDC sees strong on-chain usage for trading, payments, and DeFi across multiple networks. This activity aligns with broader growth in stablecoin transaction volumes even as total market capitalization fluctuates.
• Circle secured a NYDFS trust charter that adds state-level supervision to its existing federal oversight of USDC. The company has also received approvals to operate a trust bank, allowing greater control over reserves. These steps come amid competition from initiatives like Open USD, yet major partners including Coinbase, Visa, and Mastercard maintain multi-stablecoin strategies. Enhanced regulatory clarity supports institutional confidence in USDC.

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• A consortium including Visa, Mastercard, Coinbase and BlackRock is preparing Open USD, a stablecoin designed to distribute reserve income across its partner network rather than concentrating it with a single issuer. Analysts have described this as the most significant threat yet to Circle's USDC business model, contributing to caution from Wall Street and pressure on Circle's publicly traded stock. Key partners have clarified they are pursuing a multi-stablecoin strategy, positioning Open USD as an additional payments rail that will coexist with USDC.
• Cash App has integrated with MoonPay to let eligible users purchase ether, solana, XRP and USDT using their app balances and fund external wallets. The payments app added USDC earlier in 2026 after initially focusing primarily on bitcoin. The expansion reflects customer demand for more digital asset choices and stablecoin options on a platform with tens of millions of users.
• Miden is set to introduce USDCx, a native stablecoin backed one-to-one by USDC held in Circle's xReserve infrastructure. Transactions will be private by default using zero-knowledge proofs that hide balances, counterparties and histories while allowing selective disclosure for compliance. The launch is scheduled for the end of August 2026 alongside Miden's mainnet debut and targets institutional payments, trading and other privacy-sensitive use cases.

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• Circle announced a public mainnet launch for its Arc blockchain on September 16 2026. The network has secured founding validators including BlackRock, Visa, Mastercard, DTCC and other major institutions. BlackRock plans to deploy its BUIDL fund on Arc with USDC integration for payments and gas fees. This expands USDC's role into broader institutional infrastructure for tokenized assets, payments and agentic economies while building on over 100 active builders from private mainnet.
• Circle reported USDC circulation of 73.3 billion dollars as of June 30 2026 up 19 percent year over year. On-chain transaction volume jumped 151 percent to 14.8 trillion dollars in the quarter. Data from Visa showed USDC accounting for about 70 percent of adjusted stablecoin transaction volume in the first half of 2026 widening its lead over USDT. Growth occurred despite a broader market downturn underscoring use in payments settlement and institutional applications.
• Circle received approval for a US national digital currency trust bank charter from the OCC. It also secured a limited purpose trust charter from the New York Department of Financial Services. These steps allow expanded custody and fiduciary services under federal and state oversight. They enhance the regulatory framework supporting USDC reserves and institutional adoption.