{"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":"Distributed data storage: Blockchain stores data on multiple nodes in  the network, achieving distributed storage and synchronization of data. This approach makes data less susceptible to tampering,"}]}],"pr":"bfc8ec0c6d355977e40a4b8bc4d4d3e89e05d60c25fcf11136e9e3d4193da7bb"}