{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the potential risks of blockchain technology?","a":"Immature technology: Blockchain technology has not yet reached maturity and is still in the stage of continuous exploration and improvement, which may lead to unexpected problems in  practical applications."}]}],"pr":"aecb81bc2274985b9f2ea4717c45db1cf2c433f15a71e294c995529628684b14"}