{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible upgrade paths for blockchain upgrading?","a":"nhancing privacy and  security: Strengthen the privacy and security capabilities of blockchain systems to protect the underlying data and applications."}]}],"pr":"f6f552eab899d530cdaf94d44b3768b5058e57cc406e27a02c97490be417a9bd"}