{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data consistency?","a":"Cryptographic protection: Blockchain  uses cryptographic techniques (such as public keys and private keys) to ensure secure transmission and access to data. Only users possessing the correct private key can modify the data, enhancing data security."}]}],"pr":"1d2e0ffe6cf064826b4d7d61f03603ce16715d1ad5ab1e396de7bc4923197be1"}