Quickstart

Use the button below to add the Kaigan testnet to a compatible wallet.

Below are the configuration parameters for the Kaigan Testnet. If you encounter issues, please email [email protected].

Field	Value
Network Name	kaiganClick to Copy
RPC URL	https://rpc.kaigan.jsc.devClick to Copy
Chain ID	5278000Click to Copy
Currency Symbol	JETHClick to Copy
Block Explorer URL	https://explorer.kaigan.jsc.devClick to Copy
Faucet	https://faucet.kaigan.jsc.devClick to Copy

JSC testnet funds do not have any real-world value.

Advanced Users

For programmatic RPC usage:

curl

curl -X POST "https://rpc.kaigan.jsc.dev" \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_chainId","params":[]}'

ethers.js

const ethers = require('ethers');

const url = `https://rpc.kaigan.jsc.dev`;
const kaiganProvider = new ethers.providers.JsonRpcProvider(url);

web3.js

import Web3 from 'web3';

const customRpcUrl = `https://rpc.kaigan.jsc.dev`;

const web3 = new Web3(new Web3.providers.HttpProvider(customRpcUrl));

web3.eth.getBlockNumber()
  .then(blockNumber => {
    console.log('Current block number on custom chain:', blockNumber);
  })
  .catch(error => {
    console.error('Error connecting to custom chain:', error);
  });

viem

import { defineChain } from 'viem'

export const kaigan = defineChain({
  id: 5278000,
  name: 'JSC Kaigan',
  nativeCurrency: {
    decimals: 18,
    name: 'JSC Ether',
    symbol: 'JETH',
  },
  rpcUrls: {
    default: {
      http: [`https://rpc.kaigan.jsc.dev`],
    },
  },
  blockExplorers: {
    default: { name: 'Explorer', url: 'https://explorer.kaigan.jsc.dev' },
  },
})

go-ethereum

import (
  "fmt"
  "os"
  "github.com/ethereum/go-ethereum/ethclient"
)

rpcURL := "https://rpc.kaigan.jsc.dev"

client, err := ethclient.Dial(rpcURL)
if err != nil {
  log.Println(err)
  panic(err)
}