{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do testing and validation nodes in a blockchain verify the deployment of related programs on the main network?","a":"Deploy the same smart contract to both the test node and the main network. Smart contracts are the core component  of a blockchain system, defining network protocols, transaction validation, and consensus algorithms."}]}],"pr":"6d87abe6c74ff76b8657346401ad64cb62d2b62133a5165e3f075df03533227a"}