so rather than burn the earth even faster in some bogus pursuit of decentralized crypto-currencies (we only have one earth, so bitcoin is inherently centralised around that one fact), why not use renewable resources to generate coins. I don't mean greenwashing where you place your mints next to hydroelectric or geothermal sources. I mean literally use the fact that sources like solar are highly time&space varying - a large solar array could be used to generate signatures (each cell will receive slightly differnt amounts of sunlight over time - the voltage generated from each, therefore varying - this can be logged (e.g. on a blockchain) with GPS coordinates (now feasible down to centimeter accuracy courtesy of new devices), and acts as a unique coin value. This can be measured and verified by other parties. It costs almost nothing to mint, and is a side effect of building more renewable (solar) energy sources, rather than a pointless consumer of them.
see the light!
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