In the near future, money will only exist in the form of protocols that transit through many nodes at the speed of the electron.

There will still be some outliers such as the Amish who are numerous in this area of upstate NY who will have nothing whatsoever to do with technology. They will be trading gold, silver, pigs, etc (in fact they do that now).

For a while after the old national systems of fiat collapse, we may have only intermittent internet connections. This interregnum period is important to prepare for because access to the new world may not be immediate after the collapse.