{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection mechanisms in blockchain?","a":"Encryption algorithm: The data in blockchain uses encryption algorithms such as Elliptic Curve Cryptography (ECC) and SHA-256 to encrypt and decrypt data, ensuring the security of data  during transmission and storage."}]}],"pr":"f5553eace8bd57230c2c7fa251e769a778ee248da230425e3dbeddbeba695bb6"}