Supported Chains
Domain IDs
Domain IDs are unique to every bridge and differ from Chain IDs. Connext's xcall requires specifying which Domain ID should be the destination of a cross-chain transaction.
Mainnet
| Name | Chain ID | Domain ID | Status |
|---|
| Ethereum Mainnet | 1 | 6648936 | ✅ |
| Polygon | 137 | 1886350457 | ✅ |
| Optimism | 10 | 1869640809 | ✅ |
| Arbitrum One | 42161 | 1634886255 | ✅ |
| Gnosis Chain | 100 | 6778479 | ✅ |
| BNB Chain | 56 | 6450786 | ✅ |
Testnet
| Name | Chain ID | Domain ID | Status |
|---|
| Goerli | 5 | 1735353714 | ✅ |
| Optimism-Goerli | 420 | 1735356532 | ✅ |
| Mumbai | 80001 | 9991 | ✅ |
| Arbitrum-Goerli | 421613 | 1734439522 | ✅ |
| zkSync Era Testnet | 280 | 2053862260 | ✅ |
| Linea Testnet | 59140 | 1668247156 | ✅ |
| Polygon zkEVM Testnet | 1442 | 1887071092 | ✅ |