{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why do we need to use blockchain instead of just using JSON?","a":"Security: The blockchain uses  cryptographic algorithms to ensure the security of data storage and transmission, making it difficult for unauthorized parties to tamper with or intercept data. JSON"}]}],"pr":"28927fc7952cc449f4dcf0fd106649d1dd4f57cefd0cc4ba1550c20ce9936536"}