Passwordless Authentication with Flask & MongoDB

Security · Web · Authentication

This project explores passwordless authentication using Flask and MongoDB, focusing on secure OTP-based login flows and smooth user experience. It highlights how modern authentication can reduce friction while still protecting applications from abuse and unauthorized access.

Key Highlights

• Designed OTP-based authentication flows for passwordless login.
• Improved user experience by simplifying the sign-in process.
• Implemented protections against brute-force and abuse scenarios.
• Managed authentication data securely using MongoDB.
• Balanced usability and security in authentication workflow design.

What I Learned

• How passwordless systems improve both usability and security.
• Designing authentication flows with abuse prevention in mind.
• Using Flask to build lightweight and secure authentication services.
• Managing authentication logic and session-related workflows effectively.