{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the applications of blockchain technology in the environmental protection field?","a":"Green supply chain: Blockchain technology can help enterprises establish a green supply chain system, achieving environmental supervision in raw material procurement, production processes, and sales. By uploading data from  each link in the supply chain to the blockchain, the production of green products can be ensured."}]}],"pr":"8d0fb27082bbc8aaf335f8ef2cefc7a75e962031d1ef8406c2e1b33c509c2ee7"}