create_wallet.js

/*
Instructions:
    1. Install
        $ npm install web3
        $ npm install ethereumjs-wallet
        $ npm install ethereumjs-util

    2. Run
        $ node app.js
*/
const Web3 = require('web3');
const Wallet = require('ethereumjs-wallet');
const EthUtil = require('ethereumjs-util');

const ENDPOINT = "https://bsc-dataseed.binance.org:443";

async function main() {

    const web3 = new Web3(ENDPOINT);

    const account = web3.eth.accounts.create(web3.utils.randomHex(32));
    const privateKey = account.privateKey;
    
    const privateKeyBuffer = EthUtil.toBuffer(privateKey);
    const wallet = Wallet['default'].fromPrivateKey(privateKeyBuffer);
    const publicKey = wallet.getPublicKeyString();                                                                                                                                                                                                                                                               
    
    console.log("privateKey: ", privateKey);
    console.log("publicKey: ", publicKey);
}

main()