Understand Circle’s network, USDC fees and the difference between Arc, ARC and USDC. Start with the basics before following any real-money setup guide.
Launch status: Public mainnet is scheduled for September 16, 2026. Checked September 12. Official announcement.
No account or wallet connection is needed to read these lessons.
Start here
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What Is Arc? Circle’s Blockchain Explained
Arc is a Layer 1 designed around stablecoin-based finance. Its public mainnet is scheduled for September 16, 2026.
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Arc’s September 16 Launch: What Is Confirmed?
As of September 12, 2026, Arc’s public mainnet is scheduled for September 16. A scheduled network launch does not confirm every app, bridge or token distribution.
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Why Arc Uses USDC for Gas
Arc uses USDC for network fees. That can make costs easier to read in dollar terms, but it does not make transactions free or every fee identical.
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Arc, ARC and USDC: Three Different Things
Arc is the network, USDC is the stablecoin used for its documented gas model, and ARC is an announced coordination-token design. Do not treat the three as interchangeable.
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Arc vs Robinhood Chain: A Beginner’s Comparison
Compare the networks by the task you want to complete: fees, access, assets and transfer routes matter more than a familiar brand.
Practical guides after mainnet verification
Wallet setup, USDC transfers and an application directory need verified public-mainnet details. The guides above explain what can be established now without presenting testnet steps as real-money instructions.