{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology address the issues of data storage and management?","a":"Data transparency and traceability: Blockchain adopts encryption algorithms and timestamp technology, allowing  each data block to contain the hash value of the previous block, forming a chain structure. This structure ensures the public transparency of data, making it convenient for data inspection and verification."}]}],"pr":"3ae99840656b3ecfcfa4af1688e0fba990a22236c30af9e3a2e84a67b91457ec"}