{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, what are the steps involved in upgrading a smart contract?","a":"Analyze requirements: First, analyze the functional requirements of the smart contract, clarifying the upgrade goals and  expected effects. This may include optimizing existing functions, fixing vulnerabilities, or adding new features."}]}],"pr":"02727cbb11839d6b4f34cf8196b99ced2094f35c2bde3383826c7b2a0e337748"}