{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does distributed storage on the blockchain ensure the security and integrity of data?","a":"Consensus mechanism: Nodes in the blockchain network need to reach consensus to confirm the  storage and transmission of data."}]}],"pr":"034fd723f09ac11b44771a06938869f0ceca30feee36d9d10138eb258f1f8c27"}