One Bitcoin enthusiast makes physical coins that have a corresponding private key. (https://www.casascius.com/)
There's another group working on a device that uses solar power and creates a point-to-point mesh network, making the need for electricity and "the internet" completely irrelevant.
Even during a short power outage, I can still use my phone, so I don't see what the big deal is.
If you're someone who believes we will experience massive, sustained power outages and that TPTB will EMP the entire planet to kill the internet, then hold some PMs too, like many of us Bitcoiners advocate...
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