{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you fix and prevent vulnerabilities in smart contracts during blockchain account interactions?","a":"security audit: conduct a security audit on the smart contract before deployment, to ensure that there are no known security vulnerabilities in the code. This can help identify and repair potential vulnerabilities, reducing the risk of hacker attacks."}]}],"pr":"83666cac9c28aeea800eb80ad04df73220079d10a116af8ca2f5c3cbfbcad4ad"}