{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain's data storage methods?","a":"Security: Blockchain adopts encryption algorithms to ensure that  data is difficult to tamper with, safeguarding the integrity and authenticity of the data."}]}],"pr":"8bcd6a3cc2d0437332cf98eb3c1594dbfc5fb8dc0339507674d74fb5c711cb6f"}