{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the normal recovery process for a failed blockchain upgrade?","a":"Re-deploy Nodes: After determining the cause of the fault, you need to re-deploy blockchain nodes. This includes downloading  the latest block data, synchronizing block information, and installing and configuring necessary software and dependency libraries."}]}],"pr":"afdc45489041ac639cafadb3616bd07186903a4244a476220441ede9e23e2fbb"}