Arc Mainnet is live.
Arc launches as the Economic OS for the internet: an open platform for global markets, real-time value movement, tokenized assets, and agentic economic activity.
Arc is more than a blockchain.
It launches as a full-stack financial platform with assets,
Bitcoin liquidity is now live on Arc.
cirBTC brings 1:1 BTC-backed collateral into Arc’s stablecoin-native ecosystem, helping BTC become productive across lending, trading, collateral, settlement, and treasury workflows.
BTC as collateral. USDC as borrow and settlement asset.
Agentic payments are live on Arc.
Our Facilitator Service gives x402 builders a hosted path to accept Circle-issued USDC, with onchain settlement supported on Arc, Base, and Polygon.
No relayer keys. No separate gas wallet. Just a cleaner path for agents to discover, pay, and
Want cirBTC on Arc?
Head to Arc Portal. Two ways to get it:
→ Swap on Arc: trade USDC or other supported assets for cirBTC
→ Bridge from Ethereum: move cirBTC from Ethereum to Arc
Holding supported wrapped BTC assets on Ethereum?
Swap into cirBTC on Ethereum, then bridge
Bridging into Arc is simple.
USDC Bridge gives you a direct, Circle-built way to move USDC onto Arc and other supported chains, so you can start trading on the apps and markets you came for.
Start with USDC. Bridge into what’s next.
bridge.usdc.com
