{"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":"e43859be4bdf3ebb5b483af7382946b5957a3e08fc43e5fde62fbd734c0d6ce5"}