Sentimentite—Kurant’s speculative mineral-currency of the future—investigates the relationship between digital capitalism and geology. Inspired by the way natural forces shape rocks and meteorites over deep time, Sentimentite’s evolving forms are shaped by changes in 21st century society: 100 seismic historic events, millions of harvested Twitter and Reddit posts, and billions of aggregated human emotions. When redeemed, these Expanded NFTs state-change to physical sculptures cast in Agnieszka Kurant’s fictional material: Sentimentite. She has pulverised 60 objects used as currencies throughout history into this new mineral-currency. “Today,” Kurant says, “our contemporary global economy is based on conversions of crowd dynamics and social energy into information and capital. Tweets, shares and likes are the new oil and gas.