In the future, Callisto Company miners operate "pure minting" operations on many moons and bases. They are able to mine actual, physical cryptocurrency in a process called crypto molding. The end result is a beautiful plate of a given crypto, much like the gold and silver bars of yesteryear.
In the beginning, USD Coin was only supposed to be a point of reference, a stable coin that would avoid massive fluctuations. However, when the presidential administration of 2245 took over, USD Coin was unleashed to directly compete with all other cryptocurrencies - not only on Earth, but on a galactic scale. In fact, this almost led to a global financial crisis - before the next administration de-leve...