{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of transaction transmission protocols in blockchain?","a":"Data cannot be tampered with: Blockchain adopts encryption algorithms to ensure the consistency and integrity of data, making it difficult to tamper with data in blockchain, thereby increasing the credibility of the data."}]}],"pr":"9b62d6c7e618b3b169df835c43d402a9b3de24676c44a882a79ebce814b6a1c4"}