trident/os/ethereum/states/arbitrum.toml

[state]
name = "arbitrum"
display_name = "Arbitrum One"
union = "ethereum"
chain_id = "42161"
is_default = false

[endpoints]
rpc_url = "https://arb1.arbitrum.io/rpc"
explorer_url = "https://arbiscan.io"

[currency]
symbol = "ETH"