> For the complete documentation index, see [llms.txt](https://docs.storageproofs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.storageproofs.com/references/contract-addresses.md).

# Contract Addresses

This page lists the current contract addresses for Storage Proofs across various networks. Please note that these addresses may change over time, so always refer to this page for the most up-to-date information.

### Ethereum Mainnet

| Contract Type | Address                                    |
| ------------- | ------------------------------------------ |
| Outbox        | 0x20827008C4B7104332CfFF86CcBc50e9043Ec704 |

### Ethereum Sepolia Testnet

| Contract Type     | Address                                    |
| ----------------- | ------------------------------------------ |
| FactRegistry      | 0x7Cb1C4a51575Dc4505D8a8Ea361fc07346E5BC02 |
| HeaderStore       | 0x32D0256C4bFf711444f50bE6c254114e22029f2c |
| Inbox             | 0x29777B5fF1641c9461a2A17A03c35B14abd1e8F4 |
| Outbox            | 0x955F71074566Ace728d8Ed30Ec16F34c335fd80d |
| AggregatorFactory | 0x70C61dd17b7207B450Cb7DeDC92C1707A07a1213 |
| HdpExecutionStore | 0x0ecb09D7E3b240DD01f34490875639427372b0aF |

### Starknet Mainnet

| Contract Type | Address                                                            |
| ------------- | ------------------------------------------------------------------ |
| FactRegistry  | 0x014bf62fadb41d8f899bb5afeeb2da486fcfd8431852def56c5f10e45ae72765 |
| HeaderStore   | 0x00c28c852f2811c77ea0e0d17576d0b7fbb392299c580f2edb6190580a1dd5cd |
| Remapper      | 0x0050e1a1a352049b29103d8b42cf00f6faa2d5e88e94ed71962a1bfb24e5b0b2 |
| Inbox         | 0x05a0c76f73a3765f3e6b445ef005c260ca00bff227e79d844cb7682814bd95f1 |

### Starknet Sepolia Testnet

| Contract Type | Address                                                            |
| ------------- | ------------------------------------------------------------------ |
| FactRegistry  | 0x07d3550237ecf2d6ddef9b78e59b38647ee511467fe000ce276f245a006b40bc |
| HeaderStore   | 0x01728f6d32895aeb96945ff018bd8fd7171a380ac868def62c7e07d00d7c2abf |
| Remapper      | 0x00cdd51fbc4e008f4ef807eaf26f5043521ef5931bbb1e04032a25bd845d286b |
| Inbox         | 0x054f677f3e952d023e2f31d74606270b676eaf493befbcfa2111f2b96a242362 |

### zkSync Era Sepolia Testnet

| Contract Type | Address                                    |
| ------------- | ------------------------------------------ |
| FactRegistry  | 0x1DF62d2Bd632067479b9d60E7CDCc2c1a1a8d95d |
| HeaderStore   | 0xC0096ba3E31f05DB7CA6cAd687a7194f71BF6fc8 |
| Inbox         | 0x0e89d4373cFf9B0924E352b66783a3FB9Ee8e1F9 |

### Optimism Sepolia Testnet

| Contract Type | Address                                    |
| ------------- | ------------------------------------------ |
| FactRegistry  | 0xC5fCC6A1455da6fB6fb3d66bdE1d3a83a693415b |
| HeaderStore   | 0x2f6160bF1C145891C1857A8d382f8AAABB33C030 |
| Inbox         | 0xb18a66Fbab151C42A81E7C53D11810B6C632987B |

Please ensure you're using the correct contract addresses for your target network when interacting with Storage Proofs.