{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the privacy protection of digital identities?","a":"Encryption algorithms: Blockchain technology uses encryption algorithms (such as SHA-256) to encrypt and protect  data, ensuring its security during transmission and storage."}]}],"pr":"ce5f785a61cbd0d1c62ff873f277d338892e532a887dd6d7c8d9e344763711a7"}