Authorities around the world specially in Asia recognizing Bitcoin and expecting to finalized this year, they have attempted to rein in the global boom in trading Bitcoin and other cryptocurrency a form of digital money created and maintained by it's users. In China they start to banned initial coin offering and shut down local trading platforms, while the South Korea where speculation on cryptocurrencies is also life is working on plans to ban virtual coin exchange.
If gold can replace barter system and paper money can then replace gold, it is not impossible for crypto currencies to become the new medium of exchange. With the changing times, everything evolves. Nothing can remain same forever. Digital currencies are fast, secure, anonymous, easy to carry and more profitable due to which the number of people interested in here is increasing gradually. It wont take long before crypt coins mainstream.