{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the parameters included in the entrance symbol of a blockchain program?","a":"Transaction data: This is the core  content of a blockchain transaction, including information such as the sender's and receiver's addresses, transaction amount, etc."}]}],"pr":"4e64c336f02dabf6c44c0798dfb508e043f86a86798edd1450cb74d788f8ec4b"}