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Documentation Index

Fetch the complete documentation index at: https://base-a060aa97-mux-base-docs-codex-moly1dzt.mintlify.app/llms.txt

Use this file to discover all available pages before exploring further.

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L2 Contract Addresses

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Base Mainnet

NameAddressNetwork note
WETH90x4200000000000000000000000000000000000006Same as Sepolia
L2CrossDomainMessenger0x4200000000000000000000000000000000000007Same as Sepolia
L2StandardBridge0x4200000000000000000000000000000000000010Same as Sepolia
SequencerFeeVault0x4200000000000000000000000000000000000011Same as Sepolia
OptimismMintableERC20Factory0xF10122D428B4bc8A9d050D06a2037259b4c4B83BDiffers by network
GasPriceOracle0x420000000000000000000000000000000000000FSame as Sepolia
L1Block0x4200000000000000000000000000000000000015Same as Sepolia
L2ToL1MessagePasser0x4200000000000000000000000000000000000016Same as Sepolia
L2ERC721Bridge0x4200000000000000000000000000000000000014Same as Sepolia
OptimismMintableERC721Factory0x4200000000000000000000000000000000000017Same as Sepolia
ProxyAdmin0x4200000000000000000000000000000000000018Same as Sepolia
BaseFeeVault0x4200000000000000000000000000000000000019Same as Sepolia
L1FeeVault0x420000000000000000000000000000000000001aSame as Sepolia
EAS0x4200000000000000000000000000000000000021Same as Sepolia
EASSchemaRegistry0x4200000000000000000000000000000000000020Same as Sepolia
LegacyERC20ETH0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000Same as Sepolia

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Base Testnet (Sepolia)

NameAddressNetwork note
WETH90x4200000000000000000000000000000000000006Same as Mainnet
L2CrossDomainMessenger0x4200000000000000000000000000000000000007Same as Mainnet
L2StandardBridge0x4200000000000000000000000000000000000010Same as Mainnet
SequencerFeeVault0x4200000000000000000000000000000000000011Same as Mainnet
OptimismMintableERC20Factory0x4200000000000000000000000000000000000012Differs by network
GasPriceOracle0x420000000000000000000000000000000000000FSame as Mainnet
L1Block0x4200000000000000000000000000000000000015Same as Mainnet
L2ToL1MessagePasser0x4200000000000000000000000000000000000016Same as Mainnet
L2ERC721Bridge0x4200000000000000000000000000000000000014Same as Mainnet
OptimismMintableERC721Factory0x4200000000000000000000000000000000000017Same as Mainnet
ProxyAdmin0x4200000000000000000000000000000000000018Same as Mainnet
BaseFeeVault0x4200000000000000000000000000000000000019Same as Mainnet
L1FeeVault0x420000000000000000000000000000000000001aSame as Mainnet
EAS0x4200000000000000000000000000000000000021Same as Mainnet
EASSchemaRegistry0x4200000000000000000000000000000000000020Same as Mainnet
LegacyERC20ETH0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000Same as Mainnet
*Most predeploy addresses are shared across Mainnet and Sepolia; exceptions are listed explicitly.

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L1 Contract Addresses

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Ethereum Mainnet

NameAddress
AddressManager0x8EfB6B5c4767B09Dc9AA6Af4eAA89F749522BaE2
AnchorStateRegistryProxy0x909f6cf47ed12f010A796527f562bFc26C7F4E72
DelayedWETHProxy (FDG)0x2453c1216e49704d84ea98a4dacd95738f2fc8ec
DelayedWETHProxy (PDG)0x64ae5250958cdeb83f6b61f913b5ac6ebe8efd4d
DisputeGameFactoryProxy0x43edB88C4B80fDD2AdFF2412A7BebF9dF42cB40e
FaultDisputeGame0x6dDBa09bc4cCB0D6Ca9Fc5350580f74165707499
FaultDisputeGame (Kona)0x6dDBa09bc4cCB0D6Ca9Fc5350580f74165707499
L1CrossDomainMessenger0x866E82a600A1414e583f7F13623F1aC5d58b0Afa
L1ERC721Bridge0x608d94945A64503E642E6370Ec598e519a2C1E53
L1StandardBridge0x3154Cf16ccdb4C6d922629664174b904d80F2C35
MIPS0x6463dEE3828677F6270d83d45408044fc5eDB908
OptimismMintableERC20Factory0x05cc379EBD9B30BbA19C6fA282AB29218EC61D84
OptimismPortal0x49048044D57e1C92A77f79988d21Fa8fAF74E97e
PermissionedDisputeGame0x58bf355C5d4EdFc723eF89d99582ECCfd143266A
PreimageOracle0x1fb8cdFc6831fc866Ed9C51aF8817Da5c287aDD3
ProxyAdmin0x0475cBCAebd9CE8AfA5025828d5b98DFb67E059E
SystemConfig0x73a79Fab69143498Ed3712e519A88a918e1f4072
SystemDictator0x1fE3fdd1F0193Dd657C0a9AAC37314D6B479E557
Unneeded contract addresses Certain contracts are mandatory according to the OP Stack SDK, despite not being utilized. For such contracts, you can simply assign the zero address:
  • StateCommitmentChain
  • CanonicalTransactionChain
  • BondManager

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Ethereum Testnet (Sepolia)

NameAddress
AddressManager0x709c2B8ef4A9feFc629A8a2C1AF424Dc5BD6ad1B
AggregateVerifier (Multiproof)0xF3f0fA3124b7b0feB048A00404Fe4D5D49E60796
AnchorStateRegistryProxy0x2fF5cC82dBf333Ea30D8ee462178ab1707315355
DelayedWETHProxy (FDG)0xd3683e4947A7769603Ab6418eC02f000CE3cF30b
DelayedWETHProxy (Multiproof)0xD6e2d9D4f1f8865AC983eE848983fb1979429914
DelayedWETHProxy (PDG)0x32cE910d9C6c8F78dc6779c1499aB05F281A054e
DisputeGameFactoryProxy0xd6E6dBf4F7EA0ac412fD8b65ED297e64BB7a06E1
FaultDisputeGame0x6dDBa09bc4cCB0D6Ca9Fc5350580f74165707499
FaultDisputeGame (Kona)0x6dDBa09bc4cCB0D6Ca9Fc5350580f74165707499
L1CrossDomainMessenger0xC34855F4De64F1840e5686e64278da901e261f20
L1ERC721Bridge0x21eFD066e581FA55Ef105170Cc04d74386a09190
L1StandardBridge0xfd0Bf71F60660E2f608ed56e1659C450eB113120
MIPS0x6463dEE3828677F6270d83d45408044fc5eDB908
NitroEnclaveVerifier0x7D8EA07DB94128DBEe66bAfa3eBAa9668B413d72
OptimismMintableERC20Factory0xb1efB9650aD6d0CC1ed3Ac4a0B7f1D5732696D37
OptimismPortal0x49f53e41452C74589E85cA1677426Ba426459e85
PermissionedDisputeGame0x58bf355C5d4EdFc723eF89d99582ECCfd143266A
PreimageOracle0x1fb8cdFc6831fc866Ed9C51aF8817Da5c287aDD3
ProxyAdmin0x0389E59Aa0a41E4A413Ae70f0008e76CAA34b1F3
SystemConfig0xf272670eb55e895584501d564AfEB048bEd26194
TEEProverRegistryProxy0xf0d7E15673fBA052e83d7f2b26BB6071E86b972e
TEEVerifier0x92F6dD3501E51B8b20C77b959becaaebeB210e17
ZkVerifier0xF9780104117C0FaD3A9b1386FbF40a9F5857988A

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Base Admin Addresses

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Base Mainnet

Admin RoleAddressType of Key
Batch Sender0x5050f69a9786f081509234f1a7f4684b5e5b76c9EOA managed by Coinbase Technologies
Batch Inbox0xff00000000000000000000000000000000008453EOA (with no known private key)
Output Proposer0x642229f238fb9de03374be34b0ed8d9de80752c5EOA managed by Coinbase Technologies
Proxy Admin Owner (L1)0x7bB41C3008B3f03FE483B28b8DB90e19Cf07595cGnosis Safe
Challenger0x8Ca1E12404d16373Aef756179B185F27b2994F3aEOA managed by Coinbase Technologies
SystemConfig owner0x14536667Cd30e52C0b458BaACcB9faDA7046E056Gnosis Safe
Guardian0x09f7150D8c019BeF34450d6920f6B3608ceFdAf2Gnosis Safe

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Base Testnet (Sepolia)

Admin RoleAddressType of Key
Batch Sender0x6CDEbe940BC0F26850285cacA097C11c33103E47EOA managed by Coinbase Technologies
Batch Inbox0xff00000000000000000000000000000000084532EOA (with no known private key)
Output Proposer0xdb84125f2f4229c81c579f41bc129c71b174eb58EOA managed by Coinbase Technologies
Proxy Admin Owner (L1)0x0fe884546476dDd290eC46318785046ef68a0BA9Gnosis Safe
Challenger0xadc09b63a3ac57a2ce86d946617a18df9db029a1EOA managed by Coinbase Technologies
SystemConfig owner0x5dfEB066334B67355A15dc9b67317fD2a2e1f77fGnosis Safe
Guardian0x7a50f00e8D05b95F98fE38d8BeE366a7324dCf7EEOA managed by Coinbase Technologies