On 24-12-2017 15:39, Kenneth wrote:
> I confess that I don't understand the computational undertpinnings of Bitcoin
> and similar block-chains. Or how to even purchase one (uh, I mean, SPECULATE on
> one.) A bad idea all around, IMO.
> 
> Apparently, the computer computations that are required now consume something
> like 1.7% (?) of the WORLD's total electrical energy production. That's insane.
> 

Yes, see for instance: 
http://www.spiegel.de/international/business/global-warming-massive-computer-centers-bad-for-the-environment-a-544053.html

-- 
Thomas

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