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The actual paper on arxiv.org (https://arxiv.org/abs/2507.13461) says that they _predict_ the ability to create gold from mercury using _simulations_.

airbreather · 1d ago

If this eventuates, then maybe bitcoin is more useful, the scarcity and distributed nature of findable gold are a key aspect of it's utility/value.

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Marathon Fusion claims it can turn mercury into gold while creating clean energy

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