Interactive Sandboxes
Curious-Techie Labs
Interactive playgrounds where you don't just use tools—you manipulate internal states, inspect low-level bits, and explore how computer science concepts actually function.
Security • Lab #01Live Interactive
Interactive JWT Construction Lab
Build JSON Web Tokens live. Edit headers, payload claims, and secrets to watch the Base64URL-encoded parts assemble and sign in real time.
Launch JWT Lab →Client-Side
Cryptography • Lab #02Live Interactive
The Cryptographic Avalanche Effect Lab
Visual 256-bit heat map. Modify a single character in your input and watch how cryptographic diffusion flips ~50% of the SHA-256 output bits.
Launch Avalanche Lab →Web Crypto API