{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to find the transaction hash?","a":"Query through the exchange: You can  contact the customer service hotline of the exchange, provide personal identity information, and query the specific transaction hash value. Usually, users will receive the corresponding transaction hash value when registering on the exchange."}]}],"pr":"21245f902dba4b7b303794d2c5fa05187a408eb3b995f516ea77b576a414bcae"}