{"p":"can-20","op":"mint","tick":"can","amt":"5","rows":[{"df":"qa","content":[{"q":"After a successful upgrade execution, what actions do each component need to take in a blockchain?","a":"ptimize performance: After  the upgrade, each component needs to optimize the performance of the blockchain, such as increasing the transaction processing speed."}]}],"pr":"45c01d17eb5b2d3274026da87069c26f03c3902dcb7ee7b491f24498b20ecfa5"}