text: const crypto = require('crypto');
  
  const rounds = 1000000; // How many times we hash the hash
  const value = "hello world";
  
  console.time('hash time');
  
  let hash = value;
  for (let i = 0; i < rounds; i++) {
      hash = crypto
          .createHash('md5')
          .update(hash)
          .digest('hex')
  };
  
  console.timeEnd('hash time');
  console.log(`Result of ${rounds} MD5 hashes: ${hash}`);