Pieces you can play with.

Where I test an idea before betting on it. Everything runs in your browser: real algorithms, real cryptography, your own files.

fig. 01 / index rest

Regex Search Algorithms

Race grep, ripgrep, and a trigram index on your own files.

Companion to “Understanding Regex Search”

fig. 02 / signatures rest

Quantum-Resistant Crypto

Sign one message with ECDSA, Dilithium, FALCON, and SPHINCS+.

Companion to “Your Bitcoin Is on Borrowed Time”