{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection technologies in the blockchain field?","a":"Zero-knowledge proof (ZKP): Zero-knowledge proof technology allows the prover to convince the verifier of the authenticity of the information without providing any direct information to the verifier. This technology can effectively protect privacy because the prover's data information does not directly contact the verifier. ZKP has been successfully applied in the blockchain field, such as Ethereum's Layer2 hierarchical expansion solution."}]}],"pr":"9571f8e0be939e111fb3c27d5c67291a2c7cdf12966bf739df0b5f0841d40dbf"}