complementary currencies single global currency global reference currency domesticate capitalism freigeld komplementärwährungen superneutralisation protected currency area time money (lets) entwicklungsländer developing countries währungsraum globale referenzwährung weltwährung world reference currency fractional reserve banking silvio gesell public debts financial crisis modern monetary theory blockchain pago movil monedas inteligencia socia esquema de pago local sustainability social justice social currencies degrowth-movement complementary economy time accounts community currency money demurrage money local business monetary neutralization modern monetary theories debt crisis complementary currency euro crisis deflationary crisis
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