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 ?
Use cash.
A very straightforward answer.
You have mentioned that bitcoin just became the main payment instrument, this can mean that other currencies are still accepted for performing money transactions. I agree with him that if ever internet network is paralyzed, using cash will solve your stated problem.
