That coin being stated are already a popular crypto coin, however it has only belong on the lower level of price value compare to bitcoin, but they are performing very competitive coin on the market, however only few people who adopt and invest on that coins, but it is impossible also that soon monero, Zcash and Dash would come to zero value. Because it forms already a known coin on the market and there are also people who wants to invest on that coins because they believe that it forms a good future of income and develop high price in the future.