{"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":"929c58d3a759c0e97255eb8e3b90fa8f38d3ae29f1948788286f75e5cfc34832"}