{"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":"7e410039d5ad835f84c3faa713f258cf8a4a123c04d3f7cae9fe3f310a60011b"}