Tesla and SpaceX CEO Elon Musk has reignited some discussion around Bitcoin, describing it as a “fundamental physics-based currency” grounded in energy. 

Speaking on a recent podcast with Nikhil Kamath, Musk emphasized that Bitcoin’s value is tied to real-world energy expenditure, highlighting a distinction between digital assets and traditional fiat currencies.

“Energy is the true currency,” Musk said. “This is why I said Bitcoin is based on energy. You can’t legislate energy. You can’t just, you know… pass a law and suddenly have a lot of energy.” 

The Tesla founder drew attention to the difficulty of producing and harnessing energy, linking it to…

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