{
  "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": "ac3b6291042cbe312d37a715060fc0800a69aa0ca7d3c8840fd902aecfa21782"
}