{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the privacy protection mechanism of blockchain technology work?","a":"Asymmetric Encryption: Blockchain technology uses asymmetric encryption algorithms, such as public keys and private keys, to encrypt  and decrypt data. Asymmetric encryption can ensure the security of data transmission, as only users possessing the private key can decrypt the corresponding data, thereby protecting the privacy of users."}]}],"pr":"17d1ad22c247d74e490f0890bf908ecdbf06bff56a8a36fab5fc163eb7508d21"}