{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data security?","a":"Consensus mechanism: Participants (nodes) in the blockchain  network need to reach a consensus to confirm transactions and generate new blocks."}]}],"pr":"196ff3bc972bbca00f2b667e237ca7127e0175da9ddc85947c38a9548282bb60"}