what if someday when bitcoin has become the main payment instruments in the world. and how when the Internet network paralyzed. it means that we all can not perform various financial transactions? , is there any solution ?
Then if that happens, we can go back to the traditional ways to pay a person, company, or donate on certain organizations. Using physical means just like cash we can do certain financial transaction offline without the use of internet since we were already accustomed on doing things without the aide of internet on those previous years where internet is still not yet available.