Learn how hexadecimal (base-16) simplifies binary, colors, memory addresses, and programming with A-F magic.

Learn how 0s and 1s shape computing, conversions, and digital logic.

Clear, consistent firewall rule names improve security, troubleshooting, and collaboration.

A custom encryption algorithm with secure key derivation, sector-based encryption, and a modular structure, inspired by AES and LUKS.

Crystal is a personalized AI assistant, fine-tuned for my workflows, with memory, automation, and secure local processing.