Optimism swaps
Pay ETH on Optimism and receive USD Coin (USDC) on Optimism.
Keep ETH on Optimism for gas. Enter an amount to compare quotes, then connect your wallet to review and sign.
Swap
Selected tokens and networks
ETH on Optimism to USDC on Optimism
Both tokens in this selection are on Optimism (chain ID 10). It does not require a transfer to another network. Changing a token or network in the swap box changes the route.
You pay
Ether (ETH)
Optimism · 18 decimals
Native ETH; no token contract.
You receive
USD Coin (USDC)
Optimism · 6 decimals
Token contract on Optimism0x0b2c639c533813f4aa9d7837caf62653d097ff85- Gas and approvals
- Keep ETH on Optimism for network fees. ETH is the native asset here, so spending it does not need an ERC-20 approval. Leave some behind for gas.
- Compare an executable quote
- Disconnected previews request current provider quotes but cannot be signed. Reference-price tables are separate from those quotes. Connect your wallet to get transaction details for your address. Review the provider, fees, recipient and minimum received for your amount before signing.
How to review a swap · Swap and bridge risks · How routes and fees are compared
Bridge to and from Optimism
Swap guides involving Optimism
FAQ
Swapping on Optimism — FAQ
Which token pays gas on Optimism?
ETH pays network fees on Optimism (chain ID 10). Keep some available for approvals and swaps even when trading a stablecoin or another token.
How do I check that my tokens are on Optimism?
Check the network in your wallet and look up the token contract on https://optimistic.etherscan.io. An identical wallet address or token symbol on another chain does not mean the balances are shared.
Does a swap on Optimism require a bridge?
If both selected tokens are on Optimism, the swap stays on that network. Selecting an input or output on another network requires a cross-chain route. Review the destination network and minimum received before signing.