A profitable mining of BTG is possible only with the help of GPU (video cards). Thanks to this, according to the developers, a free bitcoin-mining should become accessible to everyone, including those who cannot afford to buy the “asics”; the price of the “asics” may be several times higher than the one of the video cards. Additionally, it may have a problematic payback. Moreover, the relatively low mining complexity makes the BTG mining accessible even for the miners with not very powerful videSee full review