{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of accounts?","a":"Consensus mechanism: Nodes in the blockchain network need to  reach a consensus to confirm the validity of transactions. This consensus mechanism helps maintain the integrity of the blockchain and prevents unauthorized modifications or tampering with the data."}]}],"pr":"5175281cd6d88f2a8e0536665838c75a325ea45cc0946549e8375683e09cc46f"}