During World War II, artworks significantly outperformed all alternative investments in Occupied France. With the surge in demand for portable and easy-to-hide (discreet) assets such as artworks and collectible stamps, prices boomed. This suggests that discreet assets may be viewed as crypto-currencies, demand for which varies depending on the environment and the need to hide value. Regarding art market valuation, this article argues that while some economic actors derive significant utility from conspicuous consumption, others value the discretion offered by artworks. Motives for purchasing art may thus vary over time.