Shieldz
Swap USDC Arbitrum to Base
Swap USDC on Arbitrum to USDC on Base straight from your own wallet: no exchange account, no wrapped tokens, and no one holding your funds in between. Shieldz asks Relay and NEAR Intents for a price at the same moment and shows you every route before you sign.
What 1,000 USDC on Arbitrum gets you
Quoted October 19, 2026. Updates live while this page is open.
| Route | You receive | Worth | Time | |
|---|---|---|---|---|
| Relay | 998.366 USDC | $998 | a few seconds | Picked |
| NEAR Intents | 996.949 USDC | $997 | about 27 seconds |
All routes asked at the same second. The router picks on what you receive after every fee, discounted slightly for each minute a route takes to settle; every route stays visible in the app.
How to swap USDC Arbitrum to Base
- Open Shieldz Swap and choose USDC on Arbitrum as the coin you pay and USDC on Base as the coin you get.
- Enter an amount. Relay and NEAR Intents quote it at the same moment, with the amount you receive and the time it takes.
- Paste the Base address you want to receive at, or connect a Base wallet and pick one.
- Review the minimum you receive and the fees, then send from Ledger, Trezor, Keystone and MetaMask. Shieldz tracks the swap until it lands.
What it costs
On this quote, $1,000 of USDC on Arbitrum became $998 of USDC on Base: about $1.63, or 0.16%, for everything taken out on the way. That includes the 0.15% Shieldz fee, the protocol's own fees and the gas to deliver to you. The network fee your wallet pays to send is extra.
MetaMask's built-in swap charges 0.875% and Phantom's 0.85% before any of that. Compare on your own amount.
Gas on Arbitrum is paid in ETH. If you're arriving with a stablecoin, swap a little into ETH on Arbitrum first so you can move funds later.
Pay USDC on Arbitrum with
Receive at any Base address you control. More on Arbitrum and Base.
USDC Arbitrum to Base: common questions
How do I swap USDC Arbitrum to Base?
Open Shieldz Swap with USDC on Arbitrum as the coin you pay and USDC on Base as the coin you get, enter an amount and paste the Base address you want to receive at. Then send from Ledger, Trezor, Keystone, MetaMask and Phantom or another supported wallet. The protocol delivers USDC on Base straight to your address.
How long does a USDC Arbitrum to Base swap take?
The fastest route quoted today takes a few seconds. Every quote shows its expected time before you send.
How much does it cost?
On the $1,000 quote above, about $1.63 (0.16%) in total: the 0.15% Shieldz fee, the protocol's own fees and the gas to deliver to you, all already taken out of the amount shown. The network fee your wallet pays to send comes on top.
Is it safe? Do I need an account?
There is no account and no KYC. Shieldz never holds your funds or keys: you send USDC on Arbitrum from your own wallet to a deposit address or contract of the protocol, and the protocol pays USDC on Base to your address. If a swap cannot complete, it is refunded to the address you paid from.
Can I swap USDC Base to Arbitrum too?
Yes. The reverse swap has its own page with live routes: USDC Base to Arbitrum.
