It is very difficult to access except for professional developers and majors. 
Yes, of course, if I say that the Bitcoin mining process is much more complex and difficult, that is certainly true. No matter how much I dig into Bitcoin, many of these things still create a very complicated situation for me. Moreover, I am also very complicated about the future of Bitcoin because it is impossible for me to know where Bitcoin will end up in the future. The answer would be simple - better off than all the rest on the market, that's for sure.
And adoption-wise - better off than others too
