Contract Addresses

This reference guide lists all the contract addresses for Testnet.

Testnet (Sepolia)

Contract Name Contract Address

Contract Name	Contract Address
`AddressManager`	`0x72194400d265f81468117e414202416B81c8648D`
`L1CrossDomainMessengerProxy`	`0x9D2f54bB5b0BFEF40a5A3f48E1066ced79f06A93`
`L1ERC721BridgeProxy`	`0x6b98a6bdAa9F4c5A70ab45946189eE06c3059906`
`L1StandardBridgeProxy`	`0x1D67b87255946d5F8965B74a971f28606bF30889`
`L2OutputOracleProxy`	`0xcF4C15FbBbC368bBAceFBb71FbE9A6C0382207C0`
`OptimismMintableERC20FactoryProxy`	`0xf508600E26AD8a5fEA0564efE754dcd06bd8F862`
`OptimismPortalProxy`	`0x789354dCD8C9d9004C24Dc429aff35C9ab0D6c63`
`ProxyAdmin`	`0xf72c0f9751799CB9E56F2543d569B1C74Fb935D6`
`SystemConfigProxy`	`0xC05fc7f7aa14c120BC9F1e7cDE1DfbE13D57816d`

AddressManager

L1CrossDomainMessengerProxy

L1ERC721BridgeProxy

L1StandardBridgeProxy

L2OutputOracleProxy

OptimismMintableERC20FactoryProxy

OptimismPortalProxy

ProxyAdmin

SystemConfigProxy

Contract Name Contract Address

Contract Name	Contract Address
`L2ToL1MessagePasser`	`0x4200000000000000000000000000000000000016`
`L2CrossDomainMessenger`	`0x4200000000000000000000000000000000000007`
`L2StandardBridge`	`0x4200000000000000000000000000000000000010`
`L2ERC721Bridge`	`0x4200000000000000000000000000000000000014`
`SequencerFeeVault`	`0x4200000000000000000000000000000000000011`
`OptimismMintableERC20Factory`	`0x4200000000000000000000000000000000000012`
`OptimismMintableERC721Factory`	`0x4200000000000000000000000000000000000017`
`L1Block`	`0x4200000000000000000000000000000000000015`
`GasPriceOracle`	`0x420000000000000000000000000000000000000F`
`L1MessageSender`	`0x4200000000000000000000000000000000000001`
`DeployerWhitelist`	`0x4200000000000000000000000000000000000002`
`LegacyERC20ETH`	`0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000`
`L1BlockNumber`	`0x4200000000000000000000000000000000000013`
`LegacyMessagePasser`	`0x4200000000000000000000000000000000000000`
`ProxyAdmin`	`0x4200000000000000000000000000000000000018`
`BaseFeeVault`	`0x4200000000000000000000000000000000000019`
`L1FeeVault`	`0x420000000000000000000000000000000000001A`
`GovernanceToken`	`0x4200000000000000000000000000000000000042`
`SchemaRegistry`	`0x4200000000000000000000000000000000000020`
`EAS`	`0x4200000000000000000000000000000000000021`

L2ToL1MessagePasser

L2CrossDomainMessenger

L2StandardBridge

L2ERC721Bridge

SequencerFeeVault

OptimismMintableERC20Factory