{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to avoid repeating failed upgrade procedures when a blockchain upgrade fails?","a":"Develop an upgrade strategy: Based on the analysis results, a detailed upgrade strategy should be developed, including upgrade steps, risk assessment, backup plans, etc. This can ensure  that best practices are followed during the upgrade process and reduce the risk of failure again."}]}],"pr":"ea0e3284323116854a11eb9dac8a56435eca8488f89e84e358073e1783c5f299"}