Observing not only the immediate and visible effect on one group, but also the secondary and long-term effects on society as a whole: this is the criterion that is here linked to the Austrian School (methodological individualism, the Cantillon effect, and dispersed knowledge) and to decentralized finance. A limited money supply protects purchasing power from inflation, and credit takes place between users. Opaque incentives and regulation may, even so, conceal who bears the cost.