TREE NEWS update: Circle’s self-developed Layer 1 network Arc is scheduled to open its public mainnet on Sept. 16, 2026, following an October 2025 testnet and a $222 million institutional presale in May 2026 at a $3 billion fully diluted valuation. The chain uses the Malachite BFT consensus engine with roughly 0.5-second block times and deterministic finality, and settles payments in native USDC. Its 12 founding validators include DTCC, ICE, Visa, Mastercard, BlackRock and Standard Chartered; the ARC token has not been issued and no TGE date is set.
Circle’s Arc Layer 1 Sets Sept 16, 2026 Mainnet Launch
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AI take
The validator roster is the real signal here: DTCC, ICE, Visa, Mastercard and BlackRock signing on as founding validators points to a chain built for regulated settlement flows rather than retail DeFi, with USDC as the native payment asset. That places Arc in direct competition with other institutional settlement efforts, and the absence of an ARC token or TGE date suggests the value accrual question is deliberately unresolved. Whether those validators convert their early participation into meaningful production volume after mainnet is the open question.
Generated by AI for reference only.
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