it is impossible to get rich fast in any sphere. any growth of your investments requires at least time, and more often money, effort, knowledge and attention. so do not be fooled and better choose a business in which you can get rich without sparing time
Yes, alternative blockchains are quite risky, so my advice is to be very careful and study each blockchain platform in detail before you start working with it. fortunately, information about many of them is more than enough