The origins of money: Calculation of similarity indexes demonstrates the earliest development of commodity money in prehistoric Central Europe

• Maikel H. G. Kuijpers ,

  Contributed equally to this work with: Maikel H. G. Kuijpers, Cătălin N. Popa

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: m.h.g.kuijpers@arch.leidenuniv.nl

  Affiliation Faculty of Archaeology, Leiden University, Leiden, Netherlands

  https://orcid.org/0000-0002-9923-0441

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• Cătălin N. Popa

  Contributed equally to this work with: Maikel H. G. Kuijpers, Cătălin N. Popa

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Faculty of Archaeology, Leiden University, Leiden, Netherlands

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