Higher rates tend to make a nation's currency more valuable.
In a town of 3,358, a person's word could be as valuable a currency as money.
Usually, connections are the most valuable currency that Hollywood personalities bring to a deal.
Lower interest rates tend to make a nation's currency less valuable because investors can find better returns elsewhere.
And hard money is more valuable currency than soft.
In the virtual world, the most valuable currency is reality.
For this reason, Betan dollars are considered one of the most stable and valuable currencies.
Most people want to be paid in a valuable, stable currency that is a sound store of wealth.
In my small experience of adventure , sleep is a most valuable currency.
That has made water meters the most valuable currency in town.