Yes, that is true but the reason they are only focused in cryptocurrency is because they have enough knowledge of how it works. Technical analysis is not the only thing you need to succeed in forex or cryptocurrency. There are also a lot of other things you need to learn.Wow, the reason why I was asking was because I have seen so many people that are trading cryptocurrency and they mostly focus on cryptocurrency. If it actually works , they could have used that skill to also make money from other volatile markets since there are a lot of potential profits to be made in them.