{ "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" }