truffle-config-example.js

require("dotenv").config();

const HDWalletProvider = require('@truffle/hdwallet-provider');

module.exports = {

  networks: {
   
    cronosTestnet: {
    provider: () => new HDWalletProvider(process.env.PRIVATE_KEY, `https://cronos-testnet-3.crypto.org:8545`),
    network_id: "*",       // Cronos's testnet id
    skipDryRun: true 
    },
  },

  // Set default mocha options here, use special reporters etc.
  mocha: {
    // timeout: 100000
  },

  // Configure your compilers
  compilers: {
    solc: {
      version: "*",    // Fetch exact version from solc-bin (default: truffle's version)
    }
  },

};