{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prevent private key security and smart contract vulnerabilities in account interactions within the blockchain?","a":"Private Key Security: Blockchain uses encryption algorithms, and users' private keys are the key to unlocking their accounts. To prevent private key loss or theft, users can take the  following measures:"}]}],"pr":"1c2cc67777145f0bb8cc971998d7a60e78fc4448414aaf04fad110f11d707c75"}