If electricity is cheap in your country, Bitmain's S9 is still a good buy, but if it is expensive, you may consider GMO's B2. I dont feel it is a great improvement from S9 but competition is always good.
If electricity is cheap in your country, Bitmain's S9 is still a good buy, but if it is expensive, you may consider GMO's B2. I dont feel it is a great improvement from S9 but competition is always good.
Most important thing is that other players are entering mining business.