They would only really make a difference in certain fields like cryptography.
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They would also dramatically speed up machine learning, automated programming, materials simulation and many other things. It would be a major game changer.
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Die Blockchain erzeugt scarcity of tokens dezentral, durch zunehmend teureren proof of work. Der Stromverbrauch ist kein Bug, sondern ein Feature. Die Idee, dezentral scarcity zu erzeugen, ist clever, aber praktisch Unfug, weil es meist besser durch eine zentrale Instanz geht.
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ok, ein feature das etwas sinnlos energie verschwendet, zumal es ja anders auch geht. solang strom nicht gratis ist (soll ja noch kommen) sollten wir die cleveren coins benutzen. ob ich coins so oder so erzeuge ist doch eig egal? abgesehn vom faktor trust/konsens
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guess you saw this: https://www.schneier.com/blog/archives/2017/12/post-quantum_al.html …
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No! Thanks! But does not surprise me :)
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What explains the inability to scale?
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For bitcoin: monetary systems collapse without ways to regulate the money supply. For quantum computers, it might be that the Church Turing Thesis is a physical law, i.e. the transition function of our universe is Int to Int, not Complex to Complex.
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Most articles I found on the topic present the problem of scaling quantum as ‘hard but we’re making good progress‘ what makes you think quantum ‘probably won’t scale’? Link?
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Gil Kalai has some talks on the topic. And "we are making progress but scaling is hard" has been the state of quantum computing for decades. I expect that there will be useful applications from further research, but perhaps never quantum supremacy.
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