{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Does blockchain technology have a positive impact on environmental protection?","a":"Sustainable supply chain management: Blockchain technology can improve the transparency and traceability of supply chain processes, ensuring that raw  materials and products involved in the supply chain are environmentally friendly and sustainable"}]}],"pr":"d6ece2308a2ee090c4a4fc074d36ff42abf7dbae5341b878827ee8bf638598c6"}