Using the Crypto Payment Activity

var activity = new MozActivity({
  name: "crypto-payment",
  data: {
    type: "bitcoin",
    price: "0.50",
    currency: "USD",
    wallet: "1CC3X2gu58d6wXUWMffpuzN9JAfTUWu4Kj",
    callback: "https://somegame.com/reciepts.html"
  }
});

activity.onsuccess = function() {
  var reciept = this.result;
  console.log("Here is the reciept for your purchase:", reciept);
};

activity.onerror = function() {
  console.log("Your purchase could not be processed:", this.error);
};