{"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":"0b27ca4415c53f55c2d566f92d2677084fdb9711d2a29fc0f3062f5abbc354c7"}