Recognizing nonstandard chains

By default, Otterscan recognizes several chains, including the Ethereum mainnet and several Ethereum test networks. For other chains, specify either (1) a chainInfo key in the Otterscan config, or (2) create a JSON file accessible at {assetsURLPrefix}/chains/eip155-{chainId}.json. In both cases, use the ethereum-lists structure to describe the properties of the chain:

• name: The full name of the network, such as "Ethereum Mainnet".
• faucets: A list of faucet URLs which are accessible at the /faucets endpoint and navigable from address pages. The special string ${ADDRESS} can be included in the URL and will be replaced with the address the user navigated from.
• nativeCurrency: Describes the native currency of the chain; this is analogous to ETH on the Ethereum mainnet.
  • name: Full name of the native currency, e.g. "Ether".
  • symbol: Few-character symbol used in trading, e.g. "ETH".
  • decimals: Number of decimals; usually 18.

Example:

{
  "name": "Sepolia Testnet",
  "faucets": [],
  "nativeCurrency": {
    "name": "Sepolia Ether",
    "symbol": "sepETH",
    "decimals": 18
  }
}