Circle announced its Arc blockchain goes live on public mainnet September 16, backed by 11 founding validators including BlackRock, Visa, Mastercard, and DTCC. The cohort also includes Galaxy, Global Payments, ICE, MoneyGram, SBI Group, Standard Chartered, and Sumitomo Corporation.
The USDC-focused layer-1 network has been running privately with institutional builders. Now it moves public with privacy controls, an agent stack, and support for tokenized real-world assets. BlackRock is already deploying its BUIDL token product on Arc.
Circle posted Q2 results showing 701 million dollars in revenue and 14.8 trillion dollars in USDC onchain volume, up 151 percent year over year. The validator announcement comes as the company pushes Arc as infrastructure for institutional payments and stablecoin settlement.
The model treats validators as the network's security layer. Anthony Soohoo, MoneyGram's CEO, framed it plainly: Arc reflects where the industry heads, building trusted and compliant infrastructure that makes stablecoins practical for real payments.
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