{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in data storage and management?","a":"High security: Blockchain uses encryption algorithms and consensus mechanisms to ensure the security and integrity of data, making the  data storage and transmission process more secure and reliable, less susceptible to tampering."}]}],"pr":"705225b34197745e8cf4e0de5a1e81a0a24345973a07a1cb246588effd4fca45"}