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Comment by lotsofpulp | Hacker News Reader

I would include the energy needed to maintain trust in other currencies including efforts to prevent counterfeits, which I might argue includes some portion of a nation's militaristic might. Trust is an even more ambiguous, yet crucial aspect of maintaining a currency's value, tied up in the "order" or predictability of the society using the currency, which involves various legal systems and at the most basic level, relationships between its peoples.

It takes a relatively minuscule amount of energy to maintain a database of numbers associated with certain people and entities, but quite a significant amount to make it mean something.

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I don't really understand this argument. If militaries are part of the embodied infrastructure of a country's banking system, this would imply that replacing the banking system with something decentralized (like cryptocurrency) would cause countries across the world to reduce their military footprint.

I find it much more likely that military resources would be diverted to somewhere upstream of mining in the value chain. For example, if we continue relying on carbon-intensive proof-of-work blockchains, why wouldn't armies simply be diverted to secure energy resources?

Yes, similar to countries going all over the world to find gold in years past. In that sense, fiat would require less military since you don’t need to go conquer anyone, just being able to project enough of a threat to stop counterfeiting is enough.

Either way, it’s very convoluted and tough to tease out line item costs, but I don’t think comparing electricity usage is a good proxy.

My point is that, if a country no longer derives its power and wealth from controlling the banking system through military might, rather than freely giving up that power, it's going to flex that military might in other ways to ensure that it maintains that power and wealth. If crypto merely displaces military resources (as I think it would) instead of replacing them (as you seem to be arguing), then it's not really fair to count the military as part of the banking system's energy/carbon footprint.

If this were actually true, Coinbase would not need to exist with a market cap of $100B.

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