Good essay on what is seen as major flaw in cyber-accounting based on janky electric grids increasingly under attack (as even ineffective US agencies describe). I remember when NYSE went down for half a day and a "faulty processor" was blamed (laughable excuse).
"When the grid fails, what happens to your Bitcoin."
" Imagine: Bitcoin shoots up to a million dollars. You’re a zillionaire! Uh Oh. . . somewhere outside Zaneseville, Ohio, a squirrel takes a final chaw through some old insulation on a wire coming out of a transformer. His head blows up in a blue arc flash, and in a few seconds all the electricity goes out from Chicago to Boston. It turns out that seventeen substations in ten states have blown relays, transformers, and switchgear. Some of those components were forty years old and are now manufactured twelve thousand miles away in a country that doesn’t like us anymore. The replacement parts get held up in a Chinese port. The power doesn’t come back on for weeks. Nobody who lives in the eastern USA can get to his Bitcoin wallet, which is just a virtual entity made of computer code residing in a digital “cloud,” i.e., nowhere real."