{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does decentralized identity authentication in blockchain protect user privacy?","a":"Key Management: The decentralized identity authentication system generates private keys for users and stores them on the blockchain. The private keys are managed solely by the users themselves, and the platform cannot access them. During the verification process, users need to use the private keys to create digital signatures, and verifiers utilize the public keys for verification."}]}],"pr":"a66dd777bc42f351fb024c6cd08d5f5cc7babad6f317db417941d4d21b0c49d1"}