Saturday, August 7, 2021

Blockchain backups in case of solar flares and other EMPs

There is compelling research suggesting there was a cataclysmic event at the end of the last ice age (around 10.000 years ago) where extreme weather and electromagnetic activity pretty much wiped out whatever civilizations were living then. Some think it was due to solar activity, while others think it's caused by meteoric impacts.

More recently there was also a pretty intense shock on electrical grids around 1850 (Carrington Event), although this would be considered mild as compared to the end of the ice age.

I've heard suggestions that the sun is showing signs of increased activity again, and while we would certainly have other things to worry about if this were to occur now, I'm wondering if the bitcoin blockchain would survive something like this? Are there backups of the blockchain that are not susceptible to electromagnetic overwhelming?


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