In the modern digital era, securing online accounts is more important than ever. Users are constantly seeking authentication methods that are both secure and convenient. Two popular approaches are QR code login and traditional password-based systems. Understanding the advantages and limitations of each can help businesses and users make informed decisions about account security and usability. What is QR Code Login? QR code login is a modern authentication method that allows users to access websites or apps by scanning a QR code with a smartphone. Unlike traditional logins that require typing a username and password, QR code login simplifies the process. The system generates a unique QR code, which the user scans using an authorized app or device. Once scanned, the server verifies the credentials, granting access instantly. This method relies on public key infrastructure (PKI) or other secure verification protocols to ensure that the login is legitimate. QR code login elimina...