Good art is beautiful and I can buy it to put in my house. Is a bitcoin beautiful? Justice? Well, contracts and rights can be bought and sold. Is bitcoin a right to anything?
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That's why gold is not ideal as a currency. Its rarity and useful electrochemical features shouldn't be tied up artificially as a proxy for valuing other things.
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That's actually what makes it useful as a currency
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The ideal currency is one that has absolutely no value whatsoever, but meets all the characteristics of a currency. One never has to worry that some new use of a cryptocurrency will artificially change its value because storing value is the only thing it does.
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Strong disagree
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(The dollar has most of that, but why does it have any value at all? Because the government collects taxes in it and enforces that with guns.)
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A currency with no value is useless as a currency
End of conversation
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What is gold useful for aside from high integration electronics (something that didn't show up till the 1950s) and ornamentation? Aluminum is a far more generally useful material. Gold's value is not based on utility.
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Copper similarly so. Copper has a really weird (and electrochemically useful) electron configuration. Its utility as a conductor coupled with its relatively high availability beats gold in most work-horse situations, but as you mentioned, gold is fucking magic in electronics.
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Gold has some properties that are nice like it basically never corrodes, but iirc silver has a slight edge over it in electronic properties. Downside with silver is it tarnishes, so it's not used as much as might be expected.
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Not corroding is extremely useful
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Depends on the application. With the rarity/cost/mass of gold you usually don't need corrosion resistance _that_ badly, and a conformal coating will get you just as far for a tiny fraction of the cost.
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And there are other noble metals, some of which are plentiful enough to exploit in asteroids, which share that characteristic. Should we all ever stop arguing about contrivances and things that cannot be and finally meet our destiny in the stars.

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Having enough gold around that it is useful as a general purpose material would be great. Imagine solid gold home wiring that doesn't work harden like copper and never oxidizes! Granted, humping around spools of the stuff would suck cuz it's more than twice as dense as copper...
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Corrosion resistance, even in space, is ideal. For starters, we have to carry our own atmosphere with us, which is highly damaging to other conductors. Conducting electricity speeds up the process. And space, contrary to popular belief, is not a perfect vacuum.
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