{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the privacy protection mechanisms in blockchain?","a":"Zero-Knowledge Proof (ZKP): Zero-knowledge proof is a cryptographic technique that allows the prover to demonstrate the authenticity of a statement to the verifier without revealing any additional information about the statement. In blockchain, Zero-Knowledge Proof can be used to protect the privacy of both parties in a transaction."}]}],"pr":"a25974ddf6726256282065ee376687d2043091eef706afe222dff800ec1470b2"}