{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is blockchain gaining attention?","a":"Immutable: Once data is recorded in blockchain, it is difficult to tamper with, helping to ensure the  authenticity and credibility of the data."}]}],"pr":"02699cd477c9ab52673864fce3f757a70570f2f82632198b9858c57d110726ae"}