
Optimism Bridge
Optimism Bridge is the official Ethereum-to-OP Mainnet bridge, used to deposit and withdraw assets between Ethereum and the OP Stack L2.

What is Optimism Bridge?
Optimism Bridge is the official native bridge between Ethereum and OP Mainnet, the optimistic rollup L2 from the Optimism Foundation. Users deposit ETH and ERC-20 tokens from Ethereum to interact with apps on OP Mainnet, then withdraw back through the canonical proof system. The bridge is the default route from Ethereum to the OP Stack and the broader Superchain ecosystem.
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Developer resources from Alchemy

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Katana, a DeFi-native L2 on the OP Stack, is now supported on Alchemy. Learn how Vault Bridge yield, core app integrations, and Alchemy infrastructure help teams ship with confidence.

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Optimism Bridge alternatives
Explore web3 competitors and apps like Optimism Bridge.

