Mariana Luzzi is Sociology Professor and CONICET research fellow at the University of General Sarmiento (Argentina). She received a Ph.D. from École des Hautes Études en Sciences Sociales. Her research explores the social construction and questioning of trust in money and social disputes over money meanings and politics. She has studied the conflicts about bank deposits, credits and regional currencies during the Argentine crisis of 2001 and is currently working on the dollarization of money practices in Argentina since the 1960s. She has also conducted research on the creation and use of social currencies. She published Réinventer le marché? Les clubs de troc face à la crise en Argentine.