{"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":"59a2e3a999850c80732768faf1bc525e1fa5e3a1decee1c4af8a8482b213b2bf"}