# Smart Contracts

## Mainnet Addresses

### Ethereum

<table><thead><tr><th width="293">Smart Contract</th><th>Address</th></tr></thead><tbody><tr><td>OperatorRegistry Proxy</td><td><a href="https://etherscan.io/address/0xef1a89841fd189ba28e780a977ca70eb1a5e985d">0xEf1a89841fd189ba28e780A977ca70eb1A5e985D</a></td></tr><tr><td>WitnessHub Proxy</td><td><a href="https://etherscan.io/address/0xd25c2c5802198cb8541987b73a8db4c9bcae5cc7">0xD25c2c5802198CB8541987b73A8db4c9BCaE5cC7</a></td></tr><tr><td>AlertManager Proxy</td><td><a href="https://etherscan.io/address/0xd1b991530d07f03226b0192e0161e1142d3552ee">0xD1b991530D07f03226b0192E0161E1142d3552eE</a></td></tr></tbody></table>

### Witness Chain (Polygon CDK) Mainnet Addresses

| Smart Contract                         | Address                                                                                                                            |
| -------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------- |
| Operator Registry Proxy                | [0xd11e55b821aC8509D2C17f5f76193351252d69aE](https://explorer.witnesschain.com/address/0xd11e55b821aC8509D2C17f5f76193351252d69aE) |
| Operator Registry Implementation       | [0xF146Ec17Fae59B597cfC957E0cc7046D10d6f924](https://explorer.witnesschain.com/address/0xF146Ec17Fae59B597cfC957E0cc7046D10d6f924) |
| Diligence Proof Manager Proxy          | [0x0384E6249E2aF51E58662eBCf70E0C28482C73d4](https://explorer.witnesschain.com/address/0x0384E6249E2aF51E58662eBCf70E0C28482C73d4) |
| Diligence Proof Manager Implementation | [0x63b27c8e6dd823C4eD3855B5056CD82B5AFe5cC2](https://explorer.witnesschain.com/address/0x63b27c8e6dd823C4eD3855B5056CD82B5AFe5cC2) |

## Testnet Addresses

### Holesky Addresses

<table><thead><tr><th width="293">Smart Contract</th><th>Address</th></tr></thead><tbody><tr><td>OperatorRegistry Proxy</td><td><a href="https://holesky.etherscan.io/address/0x708CBDDdab358c1fa8efB82c75bB4a116F316Def">0x708CBDDdab358c1fa8efB82c75bB4a116F316Def</a></td></tr><tr><td>WitnessHub Proxy</td><td><a href="https://holesky.etherscan.io/address/0xa987EC494b13b21A8a124F8Ac03c9F530648C87D">0xa987EC494b13b21A8a124F8Ac03c9F530648C87D</a></td></tr></tbody></table>

### Witness Chain (Polygon CDK) Testnet Addresses

| Smart Contract                         | Address                                                                                                                                                  |
| -------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Operator Registry Proxy                | [0x26710e60A36Ace8A44e1C3D7B33dc8B80eAb6cb7](https://blue-orangutan-blockscout.eu-north-2.gateway.fm/address/0x26710e60A36Ace8A44e1C3D7B33dc8B80eAb6cb7) |
| Operator Registry Implementation       | [0x739ff1de5f47826C38f4419e08ea08C6D7707F19](https://blue-orangutan-blockscout.eu-north-2.gateway.fm/address/0x739ff1de5f47826C38f4419e08ea08C6D7707F19) |
| Diligence Proof Manager Proxy          | [0x7AB3b14F3177935d4539d80289906633615393F2](https://blue-orangutan-blockscout.eu-north-2.gateway.fm/address/0x7AB3b14F3177935d4539d80289906633615393F2) |
| Diligence Proof Manager Implementation | [0x0Cccb5A0511Ded6B98f4729c753394f7D1405572](https://blue-orangutan-blockscout.eu-north-2.gateway.fm/address/0x0Cccb5A0511Ded6B98f4729c753394f7D1405572) |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.witnesschain.com/archive/proof-of-diligence-watchtower-protocol/smart-contracts.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.