You always say the greatest threat to crypto is the government shutting off the internet...however that is nearly impossible. If the government shuts down the electric grid, our whole global economy will collapse and we will be in a depression for several years.

People will resort to using fiat cash, gold and silver coins, and other bartering techniques.

Yes, visa is a third-party and it has been shown that it is more likely to stop working than bitcoin as evidenced by this event. Crypto transaction fees are lowering, merchants won't be charged as much eventually if they switch over to crypto.

All roads lead to crypto currency backed credit cards to be the leading payment system in the world...God bless Crypto