{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What should blockchain validators do before performing an upgrade?","a":"Blockchain validators should conduct a comprehensive risk assessment before  upgrading to ensure the security and stability of the blockchain network. This includes checking node configuration, software versions, network security measures, and more. Additionally, they need to closely monitor the dynamic changes in the blockchain industry, understand the latest attack methods and technological developments, and adjust protection strategies in a timely manner. During the upgrade process, validators should follow strict operational procedures to ensure the smooth progress of the upgrade and avoid unexpected situations. They also need to maintain close communication with the blockchain community to jointly address any potential issues and ensure the healthy development of the blockchain network. Finally, validators should have a continuous learning and continuous improvement mindset, keep up with the pace of industry development, and enhance their expertise in blockchain technology and management."}]}]}