{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain technology on the field of information security?","a":"User Identity Authentication and Protection: Through its decentralized features, blockchain technology enables the authentication and protection of user identities. Without relying on third-party trust institutions, users can verify their identities themselves through  blockchain, reducing the risks of identity fraud and theft."}]}],"pr":"e0d91ccb9d649072dd8bb0634a78fc3655a0e22eedc94039296127730ad34ce1"}