{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain ensure data security?","a":"Cryptographic protection: Blockchain uses encryption algorithms (such as SHA-256) to encrypt data, ensuring the confidentiality of the data. Only participants with the correct keys can access  and verify the data, thereby reducing the risk of data leakage."}]}],"pr":"fad9899a1d3d97b1659ede55ab95f0a3b1a0b577e6ff00c1b461e3bc91b3a5d7"}