A hypothetical machine that can work infinitely without an energy source does not exist. The same applies to an international digital currency that successfully absconds from justice and manipulation.
Bitcoin and proof-of-work concepts regularly draw criticism for their high-energy demand, which equals smaller countries’ annual energy consumption. However, one could see it as the price of liberty.
The blockchain needs to remain in the air, requiring energy just like a windmill or a plane. As long as blockchain miners worldwide continue to fuel it, the blockchain will stay above the jurisdictions and influence of both governments and central banks.