{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the handling process after a failed blockchain version upgrade?","a":"Communication with stakeholders: The blockchain system will communicate the failed upgrade and its consequences to stakeholders, such as users and developers, to ensure they are aware of the  situation and can take appropriate measures.\n\n5."}]}],"pr":"be4fe2c0905d4b056a4b7f3a7522e92786fdf9ca308ae8ef1948adf59a61e996"}