{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the special advantages of blockchain technology for data privacy protection?","a":"Data cannot be tampered with: Blockchain technology divides data into individual blocks through cryptographic algorithms and links them in a chain structure in chronological order. Any attempts to tamper with data  on the blockchain will be recognized and rejected by the system, ensuring the integrity and credibility of the data."}]}],"pr":"228b486d944127876829040041fef05726079b9b1f10776d700ef9a4a88820e9"}