Some businesses and companies will be left behind, but not all will crumble, because there are some companies or businesses that do not aim for global reach; just doing business locally is okay for them, and their business is very cash dependent. A restaurant, for example, or any company that offers local services directly to customers—they may be okay with the profit they are getting locally from offering essential services; they may not have a global goal.

The only disadvantage of not adopting crypto as a mode of payment is that they will not be so relevant as cryptocurrency become more accepted and adopted for use by people.