> For the complete documentation index, see [llms.txt](https://docs.hatsprotocol.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hatsprotocol.xyz/using-hats/hats-protocol-supported-chains.md).

# Hats Protocol Supported Chains

Hats Protocol has the same contract address for each chain is it deployed to (ENS: v1.hatsprotocol.eth): `0x3bc1A0Ad72417f2d411118085256fC53CBdDd137`

See below for links to the specific contracts for each chain Hats Protocol is currently on:

* [**Ethereum (mainnet)**](https://etherscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Arbitrum**](https://arbiscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Gnosis Chain**](https://gnosisscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Optimism**](https://optimistic.etherscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Polygon**](https://polygonscan.com/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Scroll**](https://scrollscan.com/address/0x3bc1a0ad72417f2d411118085256fc53cbddd137)
* [**Celo**](https://celoscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Base**](https://basescan.org/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Sepolia (testnet)**](https://sepolia.etherscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Holesky (testnet)**](https://holesky.etherscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)
* [**Goerli (testnet)**](https://goerli.etherscan.io/address/0x3bc1A0Ad72417f2d411118085256fC53CBdDd137)

If you would like to use Hats on a chain not listed above, please reach out to us at support \[at] hatsprotocol \[dot] xyz.