{
  "p": "can-20",
  "op": "mint",
  "tick": "can",
  "amt": "1000",
  "rows": [
    {
      "df": "qa",
      "content": [
        {
          "q": "What are the advantages of blockchain technology in protecting privacy?",
          "a": "Cryptographic protection: Blockchain technology applies various cryptographic algorithms, such as hashing algorithms, encryption algorithms, and asymmetric encryption, to ensure the security and privacy of data."
        }
      ]
    }
  ],
  "pr": "7d1e047ea0ff51547e255b1e49ac423a2295413713c00d440f10afb1c37b9112"
}