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KuCoin Goes Live on Arc at Mainnet Launch, Broadening Access to Onchain Finance

  • On Wednesday, Circle launched the Arc mainnet, a layer-1 blockchain for stablecoin payments and financial markets. CEO Jeremy Allaire called it "the single most significant launch in Circle's history since USDC itself."
  • The network utilizes USDC as its native gas asset, offering Ethereum Virtual Machine compatibility and sub-second settlement finality. It supports more than 20 fiat stablecoins and links to over 20 blockchains via Circle's Cross-Chain Transfer Protocol and Gateway.
  • KuCoin announced it is live on Arc as a mainnet launch partner, enabling users to move USDC directly between the exchange and the network. BC Wong, CEO of KuCoin, said early exchange support establishes the connectivity needed for traditional and onchain finance to work together at scale.
  • This launch follows Arc's public testnet debut in October 2025, when more than 100 companies including BlackRock and Mastercard participated. Circle also completed the genesis mint of 10 billion ARC tokens this week, though the mint does not represent a commitment to a public launch.
  • Arc plans to broaden participation in network operations and explore a transition from Proof of Authority to Proof of Stake in 2027. The network currently operates under a permissioned validator set via Arc Network Services LLC, which provides software services only.
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Circle has launched the public handnet of Arc, its new blockchain Layer 1 thought for payments, stablecoins and on-chain finance. Charges paid in USDC, institutional validators and immediate arrival of the DeFi: the network starts with strong ambitions, but also several risks to watch over around fake tokens and memecoins. Arc article: Circle launches its blockchain dedicated to stablecoins and payments appeared first on Cryptoast.

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BITRSS broke the news on Wednesday, September 16, 2026.
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