{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology in terms of protecting privacy?","a":"Data cannot be tampered with: Blockchain uses encryption algorithms and consensus mechanisms to ensure the authenticity and integrity  of data. Once information is recorded on the blockchain, it is difficult to tamper with, ensuring the reliability of the data."}]}],"pr":"10e70810684c8491ad70b806c331cbfa7aa0e8a1ee512d2daff1342758e147e9"}