{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain?","a":"High transparency: Data in blockchain can be real-time shared and queried, improving  the transparency of the entire system."}]}],"pr":"ae1ccc8ba09158384d2e104d4f746178e25d653c7a5f096c32bae61bf7145bea"}