{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are unit tests conducted for blockchain programs?","a":"Determine the testing scope: According to the actual situation, identify the blockchain components that need to be tested, such as smart  contracts, node functions, network communication, etc."}]}],"pr":"3d538b4d8ceda65ae0ef4b298081f4b9f4ffd87be08cec537fb5ab4d6f8eb654"}