// hash of 689118 bitcoin block
    const clientSeed = '00000000000000000003a35b399d1f8dbe9977b97488aa45b449f6fc15a941f4';
    const hash = crypto
      .createHmac('sha256', serverSeed)
      .update(clientSeed)
      .digest('hex');
  
    // In 1 of 60 games the game crashes instantly.
    if (divisible(hash, 60)) return 0;
  
    // Use the most significant 52-bit from the hash to calculate the crash point
    const h = parseInt(hash.slice(0, 52 / 4), 16);
    const e = 2 ** 52;
  
    const event =  Math.floor((100 * e - h) / (e - h));