{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the functions of the blockchain upgrade module?","a":"Expanding blockchain functionality: The upgrade module can add new functional modules for new business scenarios, enabling the blockchain system to support more applications.  For example, providing customized solutions for supply chain management, IoT, finance, and other fields."}]}],"pr":"f72d1b43508f08a84d8b4a93a34cd63fe8d90ddeebfb7391388c97437e0aa065"}