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Depending on the Lit Protocol Network that you’re using, you’ll connect to one of the following Lit chains. For those using one of the Lit testnets (Naga Dev or Naga Test) will use the Chronicle Yellowstone Chain. Those building in production on the Naga Mainnet (COMING SOON) will use the Lit Chain. Configuation details for both can be found below:

Chronicle Yellowstone - Lit Protocol Testnet

PropertyValue
ChainID175188 (0x2ac54)
CurrencytstLPX
RPC URLhttps://yellowstone-rpc.litprotocol.com/
Also see Chainlist for more details.

Viem Chain Config for the Chronicle Yellowstone network

import { Chain, http } from "viem";

export const viemChainConfig: Readonly<Chain> = Object.freeze({
  id: 175188,
  name: "Chronicle Yellowstone",
  nativeCurrency: {
    name: "Chronicle Yellowstone",
    symbol: "tstLPX",
    decimals: 18,
  },
  rpcUrls: {
    default: {
      http: ["https://yellowstone-rpc.litprotocol.com/"],
    },
    public: {
      http: ["https://yellowstone-rpc.litprotocol.com/"],
    },
  },
  blockExplorers: {
    default: {
      name: "Yellowstone Explorer",
      url: "https://yellowstone-explorer.litprotocol.com/",
    },
  },
});
Alternatively, we also provide a helper function to get the viem chain config. You can use
litClient.getChainConfig().viemConfig
to get the viem chain config. See Lit Client Reference for more details.

Lit Chain — Lit Protocol Mainnet

To connect to Lit Chain, you can click the button above or manually add the network parameters below. For production use cases, you should get a free private RPC URL from Conduit by clicking “Get an API Key” on the Lit Chain hub page.
The below and additional chain parameters are available here.
Parameter NameValue
Chain ID175200
NameLit Chain
RPC URLhttps://lit-chain-rpc.litprotocol.com
Block Explorer URLhttps://lit-chain-explorer.litprotocol.com
Currency SymbolLITKEY
Currency Decimals18