{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology be applied to data storage?","a":"Block-chain structure: Each node in the blockchain stores the complete data in a block-chain structure. The block-chain structure is a linear data structure where each block contains a certain amount  of data and is connected to the previous block through a hash algorithm. This structure ensures data integrity and prevents tampering."}]}],"pr":"49d1e83bb4a9019af35b845c69824e6321ed786b236b7d2fbc0f4470251700c6"}