{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure the security of voting?","a":"Cryptographic protection: Blockchain uses encryption algorithms (such as SHA-256) and digital signature technology to ensure the security and integrity  of the data. Users participating in voting encrypt their voting information using private keys, ensuring the confidentiality of the voting process."}]}],"pr":"37fa29bf66e1c037602a9d550d06d1cbb57fab0b8c9b0246611d136acfa280dd"}