{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of transaction transmission protocols in blockchain?","a":"High transparency: The transaction  records in blockchain are visible to all participants, improving the transparency of the entire system."}]}],"pr":"417ee698ce2c4da09cc9653713c67dbd533468c1ee0f0027e0b6815ec30f00e4"}