{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent security vulnerabilities in blockchain?","a":"Enhance account security: Implement security measures such as two-factor authentication  (2FA) to increase the security of account login. For important wallet and exchange accounts, it is recommended to use advanced authentication methods such as hardware wallets or SMS verification."}]}],"pr":"fdcfc601a73108c53daa888fe893f41927578c92396c6ba607249d314e871413"}