{"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":"First, ensure that the  blockchain system version is consistent between the test node and the main network deployment to avoid compatibility issues."}]}],"pr":"d3fd48c192aa5e98b4a496abac4f1256ce46446a0430e19d24162bf31b0db3b7"}