{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why do we need to record the logs of program execution in blockchain?","a":"Ensuring data  integrity and consistency: Blockchain technology relies on the immutability of data, and by recording logs of program execution, it can ensure that the system follows the predetermined rules and processes when handling data. This helps maintain the security and credibility of the blockchain network."}]}],"pr":"428e5b0495950f35ba5567f06ec787140c7d9840c187612c0bfceee456feb5c4"}