Greenwashing scams, murky networks and poor oversight cloud the experiences of climate-conscious consumers and investors. Research from the University of Copenhagen demonstrates that we can create transparency in supply chains, genuinely green products and green financial markets by using distributed ledger technology (DLT).Greenwashing scams, murky networks and poor oversight cloud the experiences of climate-conscious consumers and investors. Research from the University of Copenhagen demonstrates that we can create transparency in supply chains, genuinely green products and green financial markets by using distributed ledger technology (DLT).[#item_full_content]