{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are smart contract testing environments established in blockchain?","a":"Choose a development framework: Firstly, developers need  to select a suitable smart contract development framework, such as Truffle, Embark, etc. These frameworks provide rich tools and frameworks that make it convenient for developers to write, test, and deploy smart contracts."}]}],"pr":"897fb13d8ee146b0e9698b6d2947d0d13add2adbeaab10677fbbfed5ad105952"}