In the near future, predicting that humanity refuses to cash. And it already means that all financial transactions will take place in a digital format.
As other post say, it would still be cash in digital form, remember that money is legal and was issued by the government to its people so I think even in years to come it will still be the same, although there might be a digital form of it just like in cards in ATMs and credit cards... But never bitcoin, it cannot replace money unless otherwise the government own the bitcoin...
