{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible paths for blockchain upgrading?","a":"Expanding application scenarios: Apply blockchain technology to more fields, such as finance, supply chain management, IoT, copyright protection, etc., to meet the needs of  different scenarios."}]}],"pr":"c48a2d07cd8c1001630e638da98f7bc3ae00b477288f7db8a024ee66761402d0"}