{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the restart and reporting process for relaunching and announcing a failed blockchain version upgrade?","a":"Problem investigation: First, the technical team needs  to conduct a thorough investigation into the reasons for the upgrade failure, analyzing possible problems such as code defects, configuration issues, network failures, etc."}]}],"pr":"e0665de588f49342696135d035f6e2fa4781da3b06705ce66e3269200683aee2"}