{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology achieve authentication?","a":"The main way that blockchain technology achieves identity authentication is through decentralized storage and encryption algorithms, ensuring the security and reliability of user information. In a blockchain-based identity authentication system, each user has a public key and a private key. When a user needs to verify their identity, they simply use their private key to sign, and the verifier uses the user's public key to verify the signature, achieving the purpose of identity authentication. In addition, the tamper-proof and irreversible characteristics of blockchain technology ensure the security and privacy of user information. Meanwhile, blockchain-based digital identity  authentication technology can also achieve anonymous identity authentication. Users only need to provide their public key to complete the registration process, without needing to provide any sensitive personal information."}]}],"pr":"514b178f1252e9f264354943b61a9b742045c28533af80e9a99d2b0355a51cd0"}