Cryptocurrency is a general name for digital currencies which includes bitcoin and any other coin out there but for shitcoin we classify it as altcoin by this it doesn't have any connection with bitcoin which they can't in any way classify to bitcoin.
So i think op is still correct with his post, there have been lot of mixture and transaction issues nowadays with bank which i think is the right time for them to start accepting cryptocurrency for transaction to limit and reduce network outrage while using the banking system.