Bitcoin Gold is a hard fork of Bitcoin. In simple terms, it means that Bitcoin Gold is a derivative of the original Bitcoin. Bitcoin Gold is making headlines for its PoW mechanism and allowing it mine using just a Graphics Card from your home computer.
Bitcoin Gold will allow mining from today. The original Bitcoin isn't really happy with Bitcoin Gold. The Bitcoin is trading at a very low back from two days. There were huge and consistent fluctuations.
Let's wait and see if Bitcoin Gold is really worth.