Smart contract addresses
Complete list of deployed Arbitrum smart contract addresses across Arbitrum One, Arbitrum Nova, and testnets. Includes core protocol contracts, token bridge contracts, and governance contracts.
The following information may be useful to those building on Arbitrum. We list the addresses of the smart contracts related to the protocol, the token bridge and precompiles of the different Arbitrum chains.
Protocol smart contracts
Core contracts
The following contracts are deployed on Ethereum (L1)
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
| Rollup | 0x4DCe...Cfc0 | 0xE7E8...B7Bd | 0xd808...81C8 |
| Sequencer Inbox | 0x1c47...82B6 | 0x211E...c21b | 0x6c97...be0D |
| CoreProxyAdmin | 0x5547...2dbD | 0x71D7...7148 | 0x1ed7...0686 |
Cross-chain messaging contracts
The following contracts are deployed on Ethereum (L1)
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
| Delayed Inbox | 0x4Dbd...AB3f | 0xc444...3949 | 0xaAe2...ae21 |
| Bridge | 0x8315...ed3a | 0xC1Eb...76Bd | 0x38f9...33a9 |
| Outbox | 0x0B98...4840 | 0xD4B8...cc58 | 0x65f0...B78F |
| Classic Outbox*** | 0x7607...1A40 0x667e...337a |
***Migrated Network Only
Fraud proof contracts
The following contracts are deployed on Ethereum (L1)
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
| ChallengeManager | 0xA556...9fB0 | 0xFE66...A688 | 0xC60b...8B4C |
| OneStepProver0 | 0x35FB...F731 | 0x35FB...F731 | 0x3Fe7...1377 |
| OneStepProverMemory | 0xe0ba...C48b | 0xe0ba...C48b | 0x6268...ec2d |
| OneStepProverMath | 0xaB95...F921 | 0xaB95...F921 | 0x42f5...e8Fa |
| OneStepProverHostIo | 0xa07c...71Cf | 0xa07c...71Cf | 0xdB2c...C165 |
| OneStepProofEntry | 0x4397...42d6 | 0x4397...42d6 | 0xB9cf...AE80 |
Token bridge smart contracts
Core contracts
The following contracts are deployed on Ethereum (L1)
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
| L1 Gateway Router | 0x72Ce...31ef | 0xC840...cD48 | 0xcE18...8264 |
| L1 ERC20 Gateway | 0xa3A7...0EeC | 0xB253...21bf | 0x902b...3aFF |
| L1 Arb-Custom Gateway | 0xcEe2...180d | 0x2312...232f | 0xba2F...40F3 |
| L1 Weth Gateway | 0xd920...e2db | 0xE4E2...0BaE | 0xA8aD...0e1E |
| L1 Weth | 0xC02a...6Cc2 | 0xC02a...6Cc2 | 0x7b79...E7f9 |
| L1 Proxy Admin | 0x9aD4...0aDa | 0xa8f7...e560 | 0xDBFC...44b0 |
The following contracts are deployed on the corresponding L2 chain
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
| L2 Gateway Router | 0x5288...F933 | 0x2190...DFa8 | 0x9fDD...43C7 |
| L2 ERC20 Gateway | 0x09e9...1EEe | 0xcF9b...9257 | 0x6e24...b502 |
| L2 Arb-Custom Gateway | 0x0967...5562 | 0xbf54...51F4 | 0x8Ca1...42C5 |
| L2 Weth Gateway | 0x6c41...623B | 0x7626...D9eD | 0xCFB1...556D |
| L2 Weth | 0x82aF...Bab1 | 0x722E...5365 | 0x980B...7c73 |
| L2 Proxy Admin | 0xd570...2a86 | 0xada7...d92C | 0x715D...5FdF |
Precompiles
The following precompiles are deployed on every L2 chain and always have the same address
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
| ArbAddressTable | 0x0000...0066 | 0x0000...0066 | 0x0000...0066 |
| ArbAggregator | 0x0000...006D | 0x0000...006D | 0x0000...006D |
| ArbFunctionTable | 0x0000...0068 | 0x0000...0068 | 0x0000...0068 |
| ArbGasInfo | 0x0000...006C | 0x0000...006C | 0x0000...006C |
| ArbInfo | 0x0000...0065 | 0x0000...0065 | 0x0000...0065 |
| ArbOwner | 0x0000...0070 | 0x0000...0070 | 0x0000...0070 |
| ArbOwnerPublic | 0x0000...006b | 0x0000...006b | 0x0000...006b |
| ArbRetryableTx | 0x0000...006E | 0x0000...006E | 0x0000...006E |
| ArbStatistics | 0x0000...006F | 0x0000...006F | 0x0000...006F |
| ArbSys | 0x0000...0064 | 0x0000...0064 | 0x0000...0064 |
| ArbWasm | 0x0000...0071 | 0x0000...0071 | 0x0000...0071 |
| ArbWasmCache | 0x0000...0072 | 0x0000...0072 | 0x0000...0072 |
| NodeInterface | 0x0000...00C8 | 0x0000...00C8 | 0x0000...00C8 |
Misc
The following contracts are deployed on the corresponding L2 chain
| Function | Arbitrum One | Arbitrum Nova | Arbitrum Sepolia |
|---|---|---|---|
| L2 Multicall | 0x842e...4EB2 | 0x5e1e...cB86 | 0xA115...d092 |
ResourceConstraintManager | 0x8F59...823a | 0x653e...86B7 |
Canonical factory contracts
The following factory contracts are deployed on the corresponding chain and are used to deploy new Arbitrum chains (RollupCreator) and their token bridges (TokenBridgeCreator). For factory contracts on additional chains (Ethereum, Base, and testnets) and deployment instructions, see Canonical factory contracts.
| Arbitrum One | Arbitrum Nova | Arbitrum Sepolia | |
|---|---|---|---|
RollupCreator | 0xB90e...eB8b | 0xF916...60F4 | 0x5F45...16cF |
TokenBridgeCreator | 0x2f56...000e | 0x8B9D...8c14 | 0x56C4...bD8E |
Chain parameters
Reference of key system parameters for Arbitrum One and Arbitrum Nova, including chain IDs, block times, gas settings, and confirmation thresholds for public Arbitrum chains.
Debugging tools
Overview of debugging tools for Arbitrum dApp development, including Tenderly and other platforms for transaction simulation, tracing, and smart contract debugging on Arbitrum chains.