{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain protect data privacy?","a":"Homomorphic encryption: This is a method that allows calculations to be performed on encrypted data without prior decryption. By using homomorphic encryption technology on the blockchain, data can be  encrypted and stored, achieving both openness and transparency while protecting data privacy."}]}],"pr":"b5e0590ec44447ba3753f4ff76178fb03a4d2188e6d21c47f70978fd6335ca15"}