Sweetgreen raised $200 million in a recent round of funding. Hollis Johnson Redeem now Sweetgreen is investing in blockchain to track and trace the origins of the produce that it buys. The company is aiming to have full transparency in its supply chain, which would enable it to pinpoint any problematic ingredients if a food-poisoning outbreak did occur. Sweetgreen was impacted by a recent romaine lettuce recall after dozens of people fell sick in an E.coli outbreak linked to the...