{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the functions of the blockchain technology upgrade module?","a":"Enhancing  expandability: The upgrade module can introduce new functions and applications, enabling the blockchain to support a wider range of business scenarios and meet constantly changing business requirements."}]}],"pr":"782945b34bf4781a00117c4c09a02ccc43f945d20c24f0ccf350d40c034e3837"}