Cross-chain · Ethereum → Arbitrum One
Swap USDC from Ethereum to WETH on Arbitrum One
Swap USDC from Ethereum to WETH on Arbitrum One. A chain 42161 wallet that wants wrapped ETH spends Circle USDC on Ethereum and receives Arbitrum WETH.
The WETH that arrives is 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1 on Arbiscan. It is not Ethereum WETH at 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, and it is not the native ETH that pays gas on Arbitrum One. You spend Circle USDC at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Etherscan. Chain id 1 gas is ETH, with blocks about every 12 seconds. Chain id 42161 gas is also ETH, a separate balance. This route does not deliver that gas coin. Arbitrum Nova is not the destination. Switch to chain id 42161 before you look for the wrapped token on Arbiscan.
Two WETH contracts
Wrapped ETH does not pay the L2 fee
Buying WETH on Ethereum stays home
What this WETH is for
Legal
Risk disclosure
XAUConnect is a non-custodial swap aggregator. Digital assets are volatile and may lose value rapidly. Content on this page is educational and not investment advice. Verify every contract address on the official block explorer before approving a transaction.
Frequently asked questions
What is the best way to swap USDC from Ethereum to WETH on Arbitrum One?
The WETH that arrives is 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1 on Arbiscan. It is not Ethereum WETH at 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, and it is not the native ETH that pays gas on Arbitrum One.
Is Arbitrum WETH the same as mainnet WETH?
No. Mainnet WETH is 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 on Etherscan. This route pays 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1 on Arbiscan. Both track ETH as ERC-20s, and a pool on one chain will not take the other contract. Check that the wallet is on Arbitrum One, chain id 42161, not Nova.
Which token do I approve?
Circle USDC at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Etherscan. You do not approve Arbitrum WETH before it arrives. You do need ETH on chain id 1 for gas. Blocks there are about 12 seconds. USDC cannot pay that fee. The approval and the send can be two transactions.
What if I needed ETH for gas instead of WETH?
Choose the route that outputs native ETH, the 0xEeee placeholder, on Arbitrum One. This pair delivers an ERC-20. WETH cannot pay chain id 42161 fees. If the pool you care about asks for 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1, then this is the contract to receive.
Trade on XAUConnect
Open the swap page with this cross-chain route pre-selected, then connect your wallet on the source chain to quote and execute. You keep the keys.
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