{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you specify gas prices when instanceing smart contracts in blockchain?","a":"Develop  in Java using the Web3j library, and obtain gasPrice and gasLimit by calling the API. For example:"}]}],"pr":"833e8acf35ab8b99de582b9cbeec555d8f09ccdd8129c9ee558b599b8a80bf85"}