Bitcoin has a lot of fluctuations this year. It has fallen continuously but it does not return to its original position as when Satoshi Nakamoto created it. Meanwhile, there are other types of electronic money, such as those that can not be recovered. Bitcoin is great and it has slowly devoured the entire electronic money market. You see it down a section then it's up to 2 sections. I can say the cost is $ 36210 in mid-January 2019