{"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":"54f18069970f5027a6fe9080465a1242a72911027e10c8c9b51940ad874e2ccf"}