In addition to the entire blockchain ecosystem and its cryptocurrencies, first Facebook with its Libra project, the AppleCard and now Google with its debit card will make things even more difficult for them.
These cards will be used to expand Google Pay services, which until now has been facilitating payments between individuals and online purchases using a traditional credit card.
The card will be managed through a mobile application from which you can check balances and history of past transactions, make transfers, set privacy limits, block lost cards, etc.
With this system, Google will not only increase your income, but it will also be able to track all user purchases, learn about their habits and sell them their products.
If central banks were never characterized by their empathy with the ordinary user, private companies are going to be much more impious, so you can start publishing on Hive if you want to survive.