{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the steps involved in solving consensus issues that may arise due to a failed blockchain version upgrade?","a":"Emergency plan: After the version upgrade fails, the first step is to develop an emergency plan to ensure the stability and security of the blockchain network. The plan should include restoring the original consensus algorithm, checking and fixing code defects that may lead to consensus issues, and ensuring that all nodes in the network understand and follow the corresponding solutions."}]}],"pr":"fda15af27fc40d0403311bf972688105f6df301a88f58a5bb2afe1fb4ee4ca3a"}