{"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":"dd434413797cbe456a670d875d7cf058607aea0427a269d47ff4d05e27ba1e3f"}