{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain?","a":"Data consistency: Through consensus mechanisms, blockchain can ensure the consistency of data stored on all nodes in the network, ensuring that data is not tampered with."}]}],"pr":"115fa2f07a94aafc6fb98aa1b05f77889f766d2bfb8da85cbefe049f01071581"}