{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How should errors be handled during the process of upgrading a blockchain version?","a":"Immediately stop the upgrade process: Once an error is discovered, the upgrade process should be promptly suspended to prevent  the error from spreading and causing greater impact."}]}],"pr":"de607462c25a379388dca7ed2e87372a170a674e00ad1a2c6c0075ca15b5b070"}