Cash will never go away. I am sure that is true. Reason:
1 / Not every country is modern enough not to use cash.
2 / The world is still very poor and they only use cash.
3 / Cryptocurrency is facing the challenge of being hacked and used to serve money laundering purposes.
good notes, yes the world is not ready to remove cash. But when the change will take place there surely cryptocurrency what will take place of cash.
We need a change badly.