How much power does it take to make one bitcoin transaction?
Even if it’s much more efficient, I’m wondering about the environmental cost of blockchain tech in terms of electricity/heat/waste.
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There's no reason to think that distributed consensus can't be achieved in an energy efficient way.
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Isn’t it just inherent in the tech that it increases one transaction (in a single SQL db) to, like, 1k or 10k transactions (distributed)?
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Well, blockchains aren't exactly distributed databases. There is a lot happening "off chain", in many projects, to improve efficiency.
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Proof of stake are "several thousand times more cost effective" and energy efficient.
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Efficiency is key for these technologies because more efficiency = smaller fees. Smaller (or 0) fees = ability to do nanotransactions.
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Something like this could (potentially) make blockchains obsolescent.
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Then there are new ways of achieving distributed consensus that are even more efficient, like IOTA's "tangle ledger".
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which is a mechanism for achieving that (and the one Bitcoin uses).
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Well, it's important to distinguish between blockchain (an approach to achieving distributed consensus) and proof of work...
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