Although there are a few countries who uses bitcoins and other cryptocurrencies now, I cannot help but wonder if the world is truly ready for this digital currency? It will certainly be hard to replace all currencies in the world but it could happen in a decade or so, perhaps even less? Still the question is, is the world ready? I think if this happens it might be one of the biggest changes that will happen worldwide.
Yes, we can see that most people know what cryptocurrency is. They don't have the foggiest how it works, though. This is one of the reasons why people think BTC is a fake or a Ponzi scheme. Getting used to it and understanding the underlying idea as well as accepting it as a payment method will definitely take some time, but not too much.