{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"After a successful upgrade execution, what actions do each component need to take in a blockchain?","a":"Optimize performance: After the upgrade, each node needs to optimize the performance of the blockchain, such as improving transaction speed, reducing transaction  costs, and enhancing the scalability of the system."}]}],"pr":"f1efcc90b2cf0d8422bd3c468d4e0ab64924cd7039bc1824e626f387395093e3"}