Build on Superseed
Contract Addresses
Testnet

Sepolia Testnet

L1 Contracts

NameAddress
SystemConfigProxy0x4DF2f170214198df84716b89C84B0c177c39F6c9 (opens in a new tab)
L2OutputOracleProxy0x4F63AcEF04c2469977F31Bc12b5Df1589c3046E2 (opens in a new tab)
OptimismPortalProxy0x7A0db8C51432d2C3eb4e8f360a2EeB26FF2809fB (opens in a new tab)
OptimismMintableERC20FactoryProxy0xe75C5a7FB6cae3CA6A5ED030aBfA0012D1F52D58 (opens in a new tab)
L1StandardBridgeProxy0x2B227A603fAAdB3De0ED050b63ADD232B5f2c28C (opens in a new tab)
L1CrossDomainMessengerProxy0x56BC9827610EF2DA23AE7D3eea1e1cc16A136Ec4 (opens in a new tab)
L1ERC721BridgeProxy0xEe9f976230274e559eb4B899994B7D085A211935 (opens in a new tab)
ProxyAdmin0x2AAA1115FAABbdd343016F3bc10b06D3302BFe30 (opens in a new tab)
AddressManager0xfD1d00126Af6a0dee3d4795203A635198de0b9e4 (opens in a new tab)

L2 Contracts

NameValue
BaseFeeVault0x4200000000000000000000000000000000000019 (opens in a new tab)
GasPriceOracle0x420000000000000000000000000000000000000F (opens in a new tab)
L1Block0x4200000000000000000000000000000000000015 (opens in a new tab)
L1FeeVault0x420000000000000000000000000000000000001A (opens in a new tab)
L2CrossDomainMessenger0x4200000000000000000000000000000000000007 (opens in a new tab)
L2ERC721Bridge0x4200000000000000000000000000000000000014 (opens in a new tab)
L2StandardBridge0x4200000000000000000000000000000000000010 (opens in a new tab)
L2ToL1MessagePasser0x4200000000000000000000000000000000000016 (opens in a new tab)
SequencerFeeVault0x4200000000000000000000000000000000000011 (opens in a new tab)
MainnetTransaction Fees