This is a situation where I'm worried, digital transactions are useless. This experience will be a lesson for us, we must be prepared if we know this kind of catastrophe will happen to us.
If you want something more complicated, then maybe go elsewhere with electricity and connections to attract money so you can avoid the bitcoin trading complications when you have no connections and electricity.
Because you need an Internet connection, phone or any smart device to log in to your account, and you also want to trade using bitcoin and no electricity or connections, unauthorized trading. Since the preferred payment is btc, and it's unusable, you can use some real money instead?