{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the steps required to recover a node after a blockchain upgrade?","a":"Update node software: Update the node software to the latest version to support the new  blockchain upgrade. This usually includes downloading and installing the latest version of the node software, as well as configuring related parameters."}]}],"pr":"5c078b9f85a91b8f615da3029ff1e5a30d0f2895855727ecc5e718387f948504"}