{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology improve the credibility and transparency of data?","a":"Decentralization: Blockchain technology  uses distributed node consensus algorithms to generate and update data, without relying on centralized servers or institutions, reducing the risk of data tampering."}]}],"pr":"dfeab2e11852e6902f9ab218f91769904a0251003cfa993cec228bc07be7e105"}