In this sixth edition of The Republic’s Conscience in The Doctrine of Monetary Source Confusion (MSC) series, Nicolin Decker advances from threshold to formal doctrine—defining MSC with precision and establishing the framework through which it is identified and evaluated.

The episode formalizes the doctrine’s central definition: MSC exists when a non-sovereign system becomes functionally indistinguishable from sovereign money in public perception at the point of use, such that economic actors treat it as though it were equivalent to legal tender regardless of its legal status.

From this definition, the episode clarifies a critical boundary. MSC does not assert that non-sovereign systems become money in law. It identifies the moment they are experienced as money in practice. The doctrine therefore does not reclassify instrumen ...