{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the relationship between blockchain and personal privacy protection?","a":"There is a close relationship between blockchain technology and the protection of personal privacy. In the current Internet environment, the leakage of personal privacy information is serious, and the black chain of stealing and selling personal information is becoming increasingly rampant. In order to improve the  level of privacy protection, blockchain technology has emerged as the solution. It achieves privacy protection by adopting a series of cryptographic technologies such as hashing algorithm, encryption algorithm, public key cryptography, Merkle tree, and zero-knowledge proof.↵↵As the first blockchain application, Bitcoin has adopted hashed public keys as personal accounts and hides personal information during transactions in order to protect user identities. In addition, Bitcoin personal accounts can"}]}],"pr":"0affc7d6c957d0963fe29bf042439935d17116124baa49b4fad2fd55aefa8d6a"}