{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the advantages of blockchain technology in protecting privacy?","a":"Cryptographic protection: Blockchain technology applies various cryptographic algorithms, such as hashing algorithms, encryption algorithms, and asymmetric encryption, to ensure the security and privacy of data."}]}],"pr":"7ff766d8846900c475a8227b502bd849919b872e1aa20cbe05073edd23ae9476"}