{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain handle duplicate data?","a":"Data packaging: When there is new data needing to be stored, the blockchain will package these data into a block. In this process, the new block will contain  a hash value pointing to the previous block."}]}],"pr":"2e4f3204fbd64e6a3e6e3ec490a51c5f9d7b941b87f4d0e36068d09f803fd976"}