{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the verification operations required for the correct execution of a blockchain upgrade?","a":"Verify whether consensus has been reached between nodes: During the upgrade process, nodes need to reach a consensus to ensure the smooth progress of the blockchain upgrade. This includes voting on upgrade proposals  and executing consensus algorithms."}]}],"pr":"3ed038de3c4a6eb8982e350b897cb28194b39caf9e8e58fbd5363e7ed8b1ee75"}