

Far less efficient, even. There are losses due to conversion, and further losses due to material cost being higher than simple electrical heaters, and more losses due to the innate negative value generated by Bitcoin, which is used exclusively for crime and gambling.





USD counts for about 58% of global currency reserves. That’s the largest by far to be sure, but far from the only relevant one, and the ratio has been steadily trending downwards (though interestingly, it hasn’t been the euro it lost ground to).