{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of blockchain technology in terms of protecting privacy?","a":"Privacy protection technologies: Blockchain incorporates privacy protection technologies such as zero-knowledge proof (ZKP)  and secure multiparty computation."}]}],"pr":"051ae2cd4fe2e3533908fd674d74827085afbbbca476ac3ec6d3434ee52ff0f3"}