{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain voting solve the problem of voter fraud?","a":"Data immutability: Blockchain uses encryption algorithms, and each transaction generates a unique hash value, ensuring that  data cannot be tampered with. Meanwhile, each transaction is interconnected with the previous one, forming a"}]}],"pr":"ab62b351001c76082e72a6deccfe8a05dd261669e555cb1e9554b0391a9956b4"}