{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can gas price be obtained in a blockchain?","a":"Using Web3j library: In Java development, you can use the Web3j library to interact with the Ethereum blockchain. Through Web3j, you can get the real-time gas price. Here's an example code:↵↵```java↵Web3j web3j = Web3j.build(new HttpService("}]}],"pr":"c3b3e856f0ca67b1de0fa8e9da426f664f90986b19bee88fe47d1a129bea3269"}