With the development of block-chain you should take a note that the time is near when the cryptocurrency will take the lead over the market of money. It seems that dollar will be the only currency that will remain after some years of new development stage. It is obvious that cryptocurrency is the most flexible and as the block-chain is the most safe one it is the only solution to the new currency. The next important thing is that cryptocurrency are the future of EURO, USD and etc. The path is going to go up in near future, INVEST now and WIN later.