{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to protect the data privacy of blockchain voting?","a":"Encryption technology: In the blockchain voting system, encryption algorithms (such as public keys and private keys) are used to encrypt and decrypt voting data. Only users who possess private keys can access and use the  data, thereby ensuring its security."}]}],"pr":"9407686851e2cee3983357e9275b103b9f7bf40322ccdfad94d1ccec269dd23d"}