Because of BTC very soon world economics and easier transaction systems revolutionary will control. It's an awesome currency which is can send without any problems and transaction tax less. Bitcoins in yhe whole world one of most important part of economical systems achieved which is as others currency couldn't like this with in short time.
Its true that bitcoin is the best compare to world economics but there is positive and negative about it and about the technology is very good but there are one thing very bad about it. That is about the price, bitcoin price compare to world economy is the worst thing because of its volatile so it will suddenly going high and later drop significant and one more thing without bitcoin a whole world still can live so this is not the important thing compare to fiat that have their stability