Welcome

Welcome to my website with all kinds of notes etc. Nothing fancy, just me thinking out loudly.

Explore the main areas

Blog

My thoughts on various topics.

Quantum

Tutorials and notes on quantum, AMO and more.

Lab

AI image generation, chat assistant, and blockchain-based payments — experiments running on Optimism and Base.

Latest Blog Posts

Focused cybersecurity for a small project

Using a lightweight threat model to focus security work on a small project — figuring out what's actually worth protecting, and which alerts to safely ignore.

Building a Social Media Growth assistant for Under 50 Cents a Month

How I built a LangGraph-based social media assistant that generates, queues, and publishes posts to Mastodon and Bluesky — with human approval and a monthly cost of under 50 cents.

Ostdeutsche Spediteure stehen unter Kostendruck — aber wodurch eigentlich?

Ostdeutsche Spediteure erleben einen erheblichen Kostendruck unter anderem durch niedrigere Lohnkosten in osteuropäischen Nachbarländern. Interessanterweise, sind die Kostenunterschiede im Bereich von 10% und der eigentliche Kostendruck kommt aus einer anderen Richtung.

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