{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to debug and test blockchains within a blockchain?","a":"Environment preparation: First, set up the blockchain development environment, including installing relevant tools, libraries,  and frameworks, such as Hyperledger, Ethereum, etc."}]}],"pr":"703dbc8b13df14aee3a89395030eaa26890b793f298b717c83a368eebcb8e649"}