{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to use the public API interfaces of a blockchain?","a":"Implement the API calls: Use the obtained API keys or access tokens to make API calls according to the specified request methods and  parameter formats."}]}],"pr":"1fbb017c95606840ff3b41f9ed02a46db0dd0e06bcf24815200b94624cbd14b3"}