Bridging USDC to Arc is free. → we take nothing, and we pay your claim gas on Arc. How it works？ Your USDC never touches a wallet we control. It goes into Circle's Gateway contract on Base, Circle attests the burn, and the mint on Arc pays out to the address you connected with — your own. We are not in the custody path at any point. What that costs you: one deposit, one signature to authorize the transfer, and Circle's own fee (about 0.011 USDC). Nothing to us. The Arc side normally needs native USDC for gas, which you do not have yet if you are bridging in for the first time. So we sponsor it. A relayer submits the mint and pays for it. Why free？ We considered 1%. It bought a second transaction, an extra signature, and a window where the fee could land while the deposit did not. That is a bad trade for a few cents on an on-ramp. UARC makes its money when you launch and trade, not when you arrive. Minimum bridge is 1 USDC — below that Circle's own fee eats the transfer. Base → Arc. Native USDC on both ends, never wrapped.