ON the international currency market, one traditional role of the US dollar is exactly "store value". You trade your currencies on the FX market during your day, and comes close to "close of your trading", you exchange all your positions for US dollars, to keep in store for your quiet period. Comes the following day, you trade out your dollars for other currencies. Then the cycle continues.
Does this mean that the US dollar is a terrible currency? No. If another currency meets the same stability criterion, it can (and probably is) used as a short-to-medium term value store.
I don't really see any crypto-currency work well, they're thinly traded, so there's a lot of inherent volatility in the pricing. It is also getting increasingly harder to exchange crypto-currencies for more traditional currencies.
Does this mean that the US dollar is a terrible currency? No. If another currency meets the same stability criterion, it can (and probably is) used as a short-to-medium term value store.
I don't really see any crypto-currency work well, they're thinly traded, so there's a lot of inherent volatility in the pricing. It is also getting increasingly harder to exchange crypto-currencies for more traditional currencies.