Links

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
Linea
59144
1818848877
Metis
1088
1835365481
Base
8453
1650553709
Feb 14

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