Digital Money Matters

I am a writer, film producer, entrepreneur and consultant.


Most of my activities are related to Bitcoin, Cryptocurrencies and Blockchain technology.


I am sure that they can change the world for the better.

How to Use Bitcoin and Blockchain Tech

You would like to use Blockchain technology professionally? 
You would like to tokenise an asset or issue your own token?
You would like to buy Bitcoins and store them safely?


I can help you to make the most out of this exciting new technology and to avoid commonly made mistakes.


More information at my education and consultancy site Private Key.

My Books

I have published three books about Bitcoin and Cryptocoins. My second book Cryptocoins was a bestseller in Germany.

Films for Crypto Clients

With Bitfilm, my international network of animators, cinematographers and sound designers, I have produced more than 50 explainer videos and serial episodes about cryptocurrencies, blockchain technology and other subjects.


>> Watch Bitfilms!