{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain manage programs?","a":"Transparency and traceability: The chain structure of blockchain enables users to easily trace the origin and transaction history of data, ensuring the integrity and  credibility of the data."}]}],"pr":"8d726189b2fd172daf0cd0d502c209592d4575534feed25b6d169c0152b79e80"}