Crypto currency in time will definitely survive us with you and, probably, transform into something more perfect. At bitcoin, we now really have problems, but they are resolvable. Other types of crypto-currency, especially tokens, will periodically appear and weak and unnecessary to leave the market. However, in general, the crypto currency will develop and grow stronger. In general, it is very necessary for a person, because it makes life easier and makes it much more comfortable. Individual types of crypto currency will always be in demand and will always be in price.