Ask an Expert. Bitcoin alternatives Mining. You need to accept their usage to remove this notice. Huobi is a digital currency exchange that allows its users to trade more than cryptocurrency pairs. We may receive compensation from our partners for placement of their products or services. If you are located in one of our other 24 supported countries, you can instantly sell your BTG by selecting the best buy offer from vendors in your country or you can set up a sell offer on our marketplace if it’s one of our major supported currencies. It is an extremely volatile asset and continues to dance among the bulls and the bears:.