Questions tagged [bitcoin]

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Why in localbitcoins Spain, the selling price is the same as the buying price?

I use to buy bitcoins through localbitcoins.com in my country, Argentina, and I noticed that there is an important gap between the buying and the selling price. This gap is around 200 ARS (~20 EUR). ...
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How does the dollar value of all bitcoin compare with the total cost of the electricity required to generate it?

The world's Bitcoin mining in the aggregate uses surprisingly large amounts of electricity. Princeton computer scientist Arvind Narayanan estimates that Bitcoin mining now uses about five gigawatts ...