{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the handling principles for dealing with failed blockchain upgrades?","a":"Information disclosure and communication: Transparently disclose the failed upgrade information to relevant parties, promptly notify users and stakeholders, and maintain effective communication to  ensure their understanding and support."}]}],"pr":"1d7206ef18de46513951932dff45434d9398b7865a3a971ca2fad2e5c326342a"}