Defi
Circle Launches Arc Mainnet With BlackRock, DTCC and Visa Producing Blocks
The Defiant·September 16, 2026·1 min read
Circle launched Arc mainnet, a Layer 1 charging gas in USDC and running proof-of-authority across 11 institutions plus Circle. Over 100 applications are live, with Aave, Morpho, and Uniswap anchoring DeFi. Circle minted 10 billion ARC tokens this week without committing to a public launch.
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