--chain flag in CLI commands.
Run circle blockchain list to retrieve the current list.
| Blockchain | Mainnet identifier | Testnet identifier |
|---|---|---|
| Arbitrum | ARB | ARB-SEPOLIA |
| Arc Testnet | - | ARC-TESTNET |
| Avalanche | AVAX | AVAX-FUJI |
| Base | BASE | BASE-SEPOLIA |
| Ethereum | ETH | ETH-SEPOLIA |
| Monad | MONAD | MONAD-TESTNET |
| Optimism | OP | OP-SEPOLIA |
| Polygon PoS | MATIC | MATIC-AMOY |
| Unichain | UNI | UNI-SEPOLIA |