{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main application scenarios of blockchain technology?","a":"Medical field: Blockchain technology can be used for patient data management, drug traceability, and ensuring  the safety of medical products."}]}],"pr":"b51ada7b78d1def2cba6d2a53b8439140a28c9129b1769da1c9c071b322ed39f"}