Exploring the depths of web security, authentication systems, and modern software engineering. Sharing knowledge and insights from building real-world applications.
Learn how UPI (Unified Payments Interface) enables instant payments in India. Understand the complete payment flow, security features, and NPCI's role in digital transactions.
Discover how Google OAuth authentication works behind the scenes. Learn about authorization codes, access tokens, refresh tokens, and the complete OAuth 2.0 flow.
Learn how SSL certificates make HTTPS websites secure through asymmetric and symmetric encryption, digital signatures, and the TLS protocol. Complete guide to web security.