> For the complete documentation index, see [llms.txt](https://docs.rubyscore.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rubyscore.io/how-rubyscore-works/smart-contracts/reputation-domains.md).

# Reputation Domains

| Chain                                                                                                                                                                                                                                                         | SingleIdentifierId                                                                                                               | SingleIdentifierRegistry                                                                                                         |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- |
| <img src="https://rubyscore.fra1.digitaloceanspaces.com/chain_icons/arbitrum.svg" alt="icon" data-size="line"> Arbitrum                                                                                                                                       | [0xc1b435E1cee1610aa1A19C5cBA20C832dA057146](https://arbiscan.io/address/0xc1b435E1cee1610aa1A19C5cBA20C832dA057146)             | [0x4D1E2145082d0AB0fDa4a973dC4887C7295e21aB](https://arbiscan.io/address/0x4D1E2145082d0AB0fDa4a973dC4887C7295e21aB)             |
| <img src="https://110847407-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Zd4I6NnnmSBv1zyA2Et%2Fuploads%2FWLXmBwx8ss9JgDsmUfXQ%2Fimage.png?alt=media&amp;token=eb2e014f-792c-4b61-b561-b32bbeffeedc" alt="" data-size="line"> Base     | [0x09B18EFC623bf4a6247B23320920C3044a45cC2c](https://basescan.org/address/0x09B18EFC623bf4a6247B23320920C3044a45cC2c)            | [0x81f06f4b143a6eAD0e246DA04420F9d6d1fBEF59](https://basescan.org/address/0x81f06f4b143a6eAD0e246DA04420F9d6d1fBEF59)            |
| <img src="https://110847407-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Zd4I6NnnmSBv1zyA2Et%2Fuploads%2FVKBqMbZQfawKgyjQrZgc%2Fimage.png?alt=media&amp;token=c1d6fe94-9d4c-4878-8569-7f5016a428f4" alt="" data-size="line"> Linea    | [0xFC353736BBA5642ab481b6b8392827B69A20cb17](https://lineascan.build/address/0xFC353736BBA5642ab481b6b8392827B69A20cb17)         | [0xDe981aB0cd819bF5D142B89fedA70119D3A958B9](https://lineascan.build/address/0xDe981aB0cd819bF5D142B89fedA70119D3A958B9)         |
| <img src="https://110847407-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Zd4I6NnnmSBv1zyA2Et%2Fuploads%2FOQ5XSBuKuw15plFdna4r%2Fimage.png?alt=media&amp;token=52171a28-ca3d-4e12-b740-ce411ace5614" alt="" data-size="line"> Optimism | [0xfa31AB150782F086Ba93b7902E73B05DCBDe716b](https://optimistic.etherscan.io/address/0xfa31AB150782F086Ba93b7902E73B05DCBDe716b) | [0x4E44211aFe692a4fea11344a2a5827a06aFa573f](https://optimistic.etherscan.io/address/0x4E44211aFe692a4fea11344a2a5827a06aFa573f) |
| <img src="https://110847407-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Zd4I6NnnmSBv1zyA2Et%2Fuploads%2F7Bu8obw0kGjsXMO0g1s4%2Fimage.png?alt=media&amp;token=9342d3ae-f614-4778-8a36-c4eb6fadf554" alt="" data-size="line"> Scroll   | [0x25158191bab9BFF92EB7214b6c2dE79105D11593](https://scrollscan.com/address/0x25158191bab9BFF92EB7214b6c2dE79105D11593)          | [0x4e5bAE495031fECd141c39D0ca231d56e178Fb05](https://scrollscan.com/address/0x4e5bAE495031fECd141c39D0ca231d56e178Fb05)          |
| <img src="https://110847407-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Zd4I6NnnmSBv1zyA2Et%2Fuploads%2FnqhcFKdfsPpSSA1jSXBG%2Fimage.png?alt=media&amp;token=91fe7fe1-acca-4e4a-bf48-6a51503104a9" alt="" data-size="line"> Taiko    | [0xAff9D3Af3495c54E0bb90e03Bc762681bF5a52Bf](https://taikoscan.io/address/0xAff9D3Af3495c54E0bb90e03Bc762681bF5a52Bf)            | [0xB9cC0Bb020cF55197C4C3d826AC87CAdba51f272](https://taikoscan.io/address/0xB9cC0Bb020cF55197C4C3d826AC87CAdba51f272)            |