(Series Information) European Papers - A Journal on Law and Integration, 2021 6(2), 1015-1025 | Article | (Table of Contents) I. The phenomenon of complementary currencies. - II. The bigger picture: the eurozone. - III. Legal status of complementary currencies in Germany. - IV. Societal challenges. - V. Collective design of money. - VI. Oligarchical and democratic ways of creating money. - VII. Conclusion. | (Abstract) For several decades, the phenomenon of complementary currencies has been emerging without the law having taken much notice. Only with the emergence of the first virtual currencies have there been serious discussions on this topic. The motives of the initiators and groups are very different. Is it about maximising profits or a...