{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of timestamps in blockchain?","a":"Ensuring data sequence：Timestamps provide a time sequence for the  data within each block, allowing the data in the block to be arranged in the order of occurrence, which helps to maintain the logical relationship and integrity of the data."}]}],"pr":"78d10a9c61148457e621d17d7b0ce71f5334c99711d18f84731fe463608b4012"}