> For the complete documentation index, see [llms.txt](https://docs.witnesschain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.witnesschain.com/archive/proof-of-diligence-watchtower-protocol/smart-contracts.md).

# 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) |