You can compare them to infinity. Both types of assets have their advantages and disadvantages, which should be considered by investors. Bitcoin has grown in value over the past few years, and gold costs roughly the same most of its existence. Both assets have taken a fair share in the portfolio of investors because they both serve the same purpose in different ways. To date, it is useful to have both gold and bitcoin in your investment portfolio. But do not forget that gold can still somehow forge or reduce its part contained in the finished product, which greatly reduces its final cost. Periodically there are news about forgery of Bank ingots. With bitcoins will not be able to do anything like that.