Bridge ETH from Arbitrum to Base (Step by Step)

At a glance

You send	ETH on Arbitrum
You receive	ETH on Base
Network fee	Paid in ETH on Arbitrum: usually a few cents or less
Typical time	Usually a few minutes
Our fee	0.5%, already included in the quote
Custody	Non-custodial: you sign every step in your own wallet

Step by step

Connect your wallet in the swap panel. It's already set to this route.
Check the top: ETH on Arbitrum. Enter the amount.
Check the bottom: ETH on Base, and the amount you'll receive after every fee.
If this is the first time you use this token here, approve it, then sign the order.
Switch your wallet to Base to see the funds arrive, usually within minutes.

Good to know

Starting from Arbitrum is cheap: the network fee there is usually a few cents or less.
Keep a little ETH on Arbitrum unsent so you can pay the network fee.
Your address is the same on Arbitrum and Base if you use a normal wallet such as MetaMask or Rabby. To send to someone else, set a recipient in the panel's settings and check every character.

Questions

How long does it take to bridge ETH from Arbitrum to Base?

Usually a few minutes. The panel shows the expected time for your route before you sign.

How much does it cost?

The network fee on Arbitrum (usually a few cents or less), the bridge fee shown in the quote, and our 0.5% service fee, which is already included in the amount you see.

Will I receive ETH or wrapped ETH on Base?

This route is set to native ETH on Base. Check the token in the quote before you sign.

Does SwapFerry hold my funds?

No. You sign every step in your own wallet, and the swap is executed by CoW Protocol and its bridge providers. We never take custody.

What if I sent ETH to the wrong network?

Often it is recoverable. See what to do if you sent crypto to the wrong network.