{"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":"d34ccf36a9d924c7e63f6be84058a86d35023358b5fc08e0ceab64fca67285e0"}