StarBridge

Bridge from Optimism to Ethereum

Use StarBridge to check available cross-chain routes between Optimism and Ethereum. The live bridge interface determines which assets and routes are currently available.

Check the live route

Before approving a transaction, review the source network, destination network, asset, estimated output, network costs and route details shown in the live quote.

Non-custodial wallet flow

StarBridge provides an interface for connecting your wallet and reviewing a route. You approve transactions from your own wallet rather than depositing funds into a StarBridge custodial account.

Fees and completion time

Cross-chain costs can include source-network gas, destination execution costs and route or liquidity-provider fees. Estimated completion time depends on the selected route and current blockchain conditions.

About Optimism

OP Mainnet (Optimism) is an Ethereum layer-2 network and the origin of the OP Stack that other layer-2 networks, including Base, build on.

About Ethereum

Ethereum is the largest smart-contract network and the settlement layer for many Ethereum layer-2 networks.

Gas you will need

Both Optimism and Ethereum use ETH for network fees, so the same asset can cover gas on each side. Keep a small balance of ETH on Optimism for the transaction and on Ethereum for whatever you do after arriving.

Native withdrawal versus a bridge route

Withdrawing from Optimism to Ethereum through its native bridge uses a challenge period that can take around a week. Routes shown by StarBridge may use other providers and finish sooner, so compare the estimated time in the live quote.

Bridge Assets

Select tokens and networks to bridge

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Explore more bridge routesOptimism to Arbitrum · Optimism to Base · Optimism to Polygon · Optimism to Avalanche · Optimism to BNB Chain · Optimism to Fantom · Ethereum to Optimism · All supported networks