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This page lists all contract addresses for OP Mainnet and OP Sepolia. For high-level details and source code, see the Smart Contracts Overview.
Contract addresses are automatically synced from the superchain-registry.

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L2 Contract Addresses

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OP Mainnet

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OP Sepolia

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L1 Contract Addresses

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Ethereum Mainnet

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Ethereum Testnet (Sepolia)

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Superchain Contracts

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Ethereum Mainnet

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Ethereum Testnet (Sepolia)

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Legacy Contracts

Legacy contracts are from previous versions of the OP Stack and are maintained for backwards compatibility.

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OP Mainnet Legacy (L2)

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Ethereum Mainnet Legacy (L1)