• Building and refining small security and systems tools under Fox Hackerz SKVDB, FoxPipe, FoxPi, foxkey, and related experiments
• Running a self-hosted personal site and public lab API Static site · Nginx · lab-api · crypto-lab
• Shipping lightweight Rust services for math demos and crypto experiments Catalan / Fibonacci / GCD / prime endpoints · School portal · hash and HMAC lab
• Writing short notes on numerical methods and number theory π algorithms, almost-isosceles triples, classical crypto
• Deploying and operating services from Termux over SSH Minimal, portable workflow