-Decentralized
-Volatile

These main 2 things are the reasons why this one wouldn't become mainstream.Yes, there were some countries that do accept or adopted crypto specially Bitcoin but
still lots of countries are just still on neutral side or just simply observing if they would considerable this decentralized things to be implied into their vicinity but at least
we have seen some progress after all these years and 10 years is still young for this market and there still plenty of rooms to progress on.We cant say that this is a guaranteed thing but we can actually see some light of chances.