As we can see now everyone/every developed nation is moving towards digital currency. In your opinion how much time is required for digital currency to take over the current/existing market or it is impossible that digitisation will never be successful. If yes what are those factors ? In my opinion those countries which are not accepting digital currency, are doing wrong. They are only thinking about the tax. They are saying that we will not get any tax and digital currencies are fake. Fraud is very easy in digital world (that is true but it also happen in every market). Although when someone is doing business in digital currency then that person is bringing money to country that is beneficial for the country...
Every Bitcoin (Cryptocurrency) holders would like to see this. In my opinion, the first convenience will be there no frustration to exchange the money which you need in any country if you have crypto. Mainly it will be a great thing that "One World, One Money".
Digital money will definitely take over the market in the future. The world is turning towards digitization, digital appliances, products and currencies and crypto is a form of digital currency. It is doubtless that the future is that of cryptocurrency and all other currencies will disappear from the market. We are forwarding towards cashless society.