{"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":"2ebb78e2b223f662ee80357b5bfacf1a63b4256e8886d9d4aad889fa5b7c345e"}