Kishan Kumar
Implementing Two-Factor Authentication (2FA) in .NET with TOTP and QR Codes
Learn how to implement Two-Factor Authentication (2FA) in .NET using TOTP, QR codes, and ASP.NET Core Minimal APIs. Covers the full setup flow, login flow, replay prevention, secret encryption, and recovery codes.
11 min read
two-factor-authentication2fa dotnetTOTP csharp
Kishan Kumar
How JWT (JSON Web Token) Works: Simple Guide for Developers
Learn what JWT (JSON Web Token) is, how it works, and why it's the go-to method for secure, stateless authentication in modern web apps and APIs.
14 min read
JWTJSON Web TokenAuthenticationSecurity