{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus nodes (Validator Node) in blockchain ensure the security of network?","a":"Confirm transaction order: Consensus nodes check the order  of transactions in the blockchain to ensure they are arranged in chronological order, maintaining the linear structure of the blockchain."}]}],"pr":"bd19ad1a2246dd71c38cc66974d791ebbeddf18fbaedd98c7cd22ae097ad9f71"}