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About the author
Filipe Calvão is an economic and environmental anthropologist and Associate Professor of Anthropology and Sociology at the Geneva Graduate Institute. His research explores the politics, ecologies, and economies of mineral extraction in postcolonial Africa. Currently, he investigates the intersection of digitalization, labor, and extractivism, with a particular focus on crypto-mining. His research has been published in Comparative Studies in Society and History, Annual Review of Anthropology, Economic Anthropology, Political Geography, and Extractive Industries and Society. In addition to being a trained gemmologist and diamond grader, he is the co-editor of the Swiss Journal of Sociocultural Anthropology. Previously, he led the SNSF project 'Transparency: Qualities and Technologies of the Global Gemstone Industry' and is now the Principal Investigator of the European Research Council's Starting Grant 'Synthetic Lives: The Futures of Mining.'Matthieu Bolay is a social anthropologist and an Associate Professor at the University of Applied Sciences and Arts Western Switzerland (HES-SO). He was previously at the Graduate Institute of International and Development Studies Geneva and at the University of Bern, where he leads the SNSF Ambizione project “Arbitral Reasoning in the Legal Topographies of Global Extraction.” His research covers issues related to migration and mobility, extractivism, labour, valuation and expertise. He is co-editor of the Swiss Journal of Sociocultural Anthropology. Among other journals, his work has been published in the American Ethnologist, Cahiers d'Études Africaines, Critique of Anthropology, Resources Policy, Politique Africaine, Political Geography, and The Extractive Industries and Society.Elizabeth Ferry is Professor of Anthropology at Brandeis University. Her work includes Not Ours Alone: Patrimony, Value, and Collectivity in Contemporary Mexico (2005); Minerals, Collecting, and Value across the US-Mexico Border (2013); and La Batea (with Stephen Ferry) (2017), which won the 2019 Victor Turner Prize for Ethnographic Writing, among other awards. She is co-editor of Timely Assets: The Politics of Resources and Temporalities (2010) and The Anthropology of Precious Minerals (2019). She is currently writing a book about gold as a physical object in finance and mining.
