I think in the near future Cash Disappear
Any proof? If it's just because you are only "using" cryptocurrency and think cash is useless? That's stupid.
This will definitely happen and it will have to happen soon, because today there are a lot of cases when the market really becomes very attractive to use electronic payments, but today there are so many opportunities to use regular cryptocurrencies.
It's not. Do you ever read that some countries banning cryptocurrency because they are afraid it could be used for illegal crimes and stuff and ruined the whole economy system in certain country,