{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages and disadvantages of the consensus mechanisms in blockchain?","a":"Data consistency: The consensus mechanism ensures that the blockchain information stored on all nodes  is consistent, avoiding the issue of data forks."}]}],"pr":"f449175e856e935b9d3ec68383329d6615d38c782e3b2d889172ec7f913f3bee"}