{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages and disadvantages of consensus mechanisms in blockchain?","a":"Transparency: All transaction records on the blockchain are  public, providing high transparency to the system."}]}],"pr":"e5ad258e260db0cef5cbe9643c038cd58cbdb8d1a30f8eaa7caf2731613ea352"}