> ## Documentation Index
> Fetch the complete documentation index at: https://docs.neynar.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Deployments

## Addresses

The Farcaster contracts are deployed on Optimism and Base mainnet. There are no testnet deployments.

Optimism:

| Contract         | Optimism Address                             | Etherscan Link                                                                             |
| ---------------- | -------------------------------------------- | ------------------------------------------------------------------------------------------ |
| Id Registry      | `0x00000000fc6c5f01fc30151999387bb99a9f489b` | [link](https://optimistic.etherscan.io/address/0x00000000fc6c5f01fc30151999387bb99a9f489b) |
| Key Registry     | `0x00000000Fc1237824fb747aBDE0FF18990E59b7e` | [link](https://optimistic.etherscan.io/address/0x00000000Fc1237824fb747aBDE0FF18990E59b7e) |
| Storage Registry | `0x00000000fcCe7f938e7aE6D3c335bD6a1a7c593D` | [link](https://optimistic.etherscan.io/address/0x00000000fcCe7f938e7aE6D3c335bD6a1a7c593D) |
| IdGateway        | `0x00000000fc25870c6ed6b6c7e41fb078b7656f69` | [link](https://optimistic.etherscan.io/address/0x00000000fc25870c6ed6b6c7e41fb078b7656f69) |
| KeyGateway       | `0x00000000fc56947c7e7183f8ca4b62398caadf0b` | [link](https://optimistic.etherscan.io/address/0x00000000fc56947c7e7183f8ca4b62398caadf0b) |
| Bundler          | `0x00000000fc04c910a0b5fea33b03e0447ad0b0aa` | [link](https://optimistic.etherscan.io/address/0x00000000fc04c910a0b5fea33b03e0447ad0b0aa) |

Base:

| Contract      | Base Address                                 | Etherscan Link                                                                  |
| ------------- | -------------------------------------------- | ------------------------------------------------------------------------------- |
| Tier Registry | `0x00000000fc84484d585C3cF48d213424DFDE43FD` | [link](https://basescan.org/address/0x00000000fc84484d585c3cf48d213424dfde43fd) |

## ABIs

The ABIs for the contracts are available via etherscan links above, or from the [`@farcaster/core`](https://github.com/farcasterxyz/hub-monorepo/tree/main/packages/core/src/eth/contracts/abis) package.