Home Science Chumash Indians were using highly worked shell beads as currency 2,000 years...TechScienceChumash Indians were using highly worked shell beads as currency 2,000 years agoJanuary 29, 202180FacebookTwitterPinterestWhatsApp Archaeologists show that the Chumash Indians had been using shell beads as money for at least 800 years.Source: ScienceDaily.com