{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology?","a":"Data Transparency: The data in the blockchain uses encryption algorithms to ensure the traceability and verifiability of the data. All participants  can view transaction records, thereby improving the transparency of the entire system."}]}],"pr":"95b78acb486a650dc2078f0998ce6fb6c9974f61b5fcbc33eb66cf78f4e4bae0"}