{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do privacy protection mechanisms work in blockchain technology?","a":"Asymmetric encryption technology: Asymmetric encryption technology is the core means of privacy protection in blockchain. Through the pairing use of public keys and private keys, encryption and  decryption of data and transaction information are realized. In the blockchain network, transaction information is difficult to be stolen or tampered with during the transmission process, ensuring the security of user identity."}]}],"pr":"9c7a9a562e2a2942a0732f682516c0dcf110cc64333d23cdc8bd81794682d2a7"}