The article explores how cryptocurrencies can be considered as money from an Austrian perspective. By reinterpreting the Theory of Money and Credit, the researchers suggest that cryptocurrencies can function as money if they are trusted by the public and align with people's preferences over time. This new interpretation combines ideas from Karl Menger and Friedrich Hayek, showing that cryptocurrencies can serve as private currency as long as they reflect underlying economic realities and intertemporal preferences. Ultimately, the key factor in defining money is how it impacts people's preferences over time.