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How is it net-positive from a cost perspective? From what I remember, 21 takes a large cut of the Bitcoin "mined" and you'll spend far more on electricity than
by ssharp 11y ago
How is it net-positive from a cost perspective? From what I remember, 21 takes a large cut of the Bitcoin "mined" and you'll spend far more on electricity than you'll get in return for Bitcoin.
- tommynicholas 11y agoI assuming chargers were eating energy after the phone was done charging, if they're not then this wouldn't be energy positive and isn't as exciting.
- mafuyu 11y agoThe energy that idle chargers use up is negligible, and even then, it's not as if you can just turn that into computational power. You'd still need to consume (significantly) more energy to mine.
- nadaviv 11y agoYou're right indeed. 21's mining chip does give a negative ROI, even in areas where electricity is very cheap. Why would anyone buy a $400 mining chip that costs more in electricity than it produces in bitcoins, when they can just buy $400 worth of bitcoins? Beats me...
- jsprogrammer 11y agoBecause they aren't paying for the electricity?