{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What time points should be paid attention to when conducting planned enhancement and upgrade of blockchain?","a":"Planning stage: Before starting the upgrade, fully understand and evaluate the current status of the blockchain system, and clarify the goals and expected effects of the upgrade. This  includes determining the content of the upgrade, technical selection, human resources and resource allocation, etc."}]}],"pr":"0103208b71ee4cadcdddd3e6863d6a6221e966b1a757ff2cf472187be69987cd"}