{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Why is backing up the priv_validator_state.json file so important during the blockchain upgrade process?","a":"Node recovery: During the blockchain upgrade process, nodes need to resynchronize data. The backed-up priv_validator_state.json file contains previous block data, which is necessary for node recovery and maintaining the  consistency of the blockchain network."}]}],"pr":"19de77e3fdae192e036177576e31f36385d6c4fc097ed2bd0bff55a409cb6a70"}