{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What problems does blockchain technology solve?","a":"Transparency and traceability: Data in the blockchain can be traced back to its source, and all participants can  view the complete transaction history, enhancing the transparency and traceability of the entire system."}]}],"pr":"c4327d03ddce5e18e84e665c825e48e26f50fd117ab71708c73128453eb8387c"}