In a recent podcast appearance, Elon Musk, CEO of Tesla, broke his silence on bitcoin, expressing strong support for the cryptocurrency as a unique, energy-backed monetary system. Musk described bitcoin as a “fundamental physics-based currency,” emphasizing its connection to real-world energy expenditure.
During the discussion, Musk elaborated on the concept of energy as the true currency, stating, “Energy is the true currency. 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.” He highlighted the inherent challenges associated with generating and harnessing energy, drawing parallels to bitcoin’s proof-of-work consensus mechanism, which demands substantial computational resources and electricity.
Musk also referenced the Kardashev scale, which measures a civilization’s energy consumption, as a lens through which to evaluate societal progress. He posited that civilizations should be assessed based on their proficiency in harnessing and controlling energy, an idea that resonates with the foundational aspects of bitcoin.
Looking towards the future, Musk speculated about the potential obsolescence of money altogether. He suggested that advancements in artificial intelligence and robotics could make money irrelevant as a medium of exchange. “But, in a future, where anyone can have anything, I think that you no longer need money as a database for labor allocation,” Musk explained. He drew inspiration from Iain M. Banks’ Culture series, envisioning a post-scarcity world governed by highly intelligent machines where traditional monetary systems may no longer hold significance.
Musk’s reflections on bitcoin and the future of currency may indicate a broader shift in how society perceives money, aligning with ongoing discussions about cryptocurrency’s role in economic systems.


