yes . there are some problems in cryptocurrencies . The currency of the taht will be get slow down . I think that bitcoin current rate is $ 5882.55 United States Dollar. IN 2016--17 THE RATE OF THE BITCOIN IS THAT $10000. Bitcoin rate is goes down . this is the crypto currencies and its fluctuating . Any one can,t told that . when the bitcoin ups or down . In the present time the betcoin is goes down.