a decade of accepting Bitcoin for paragliding

Today marks the 10th anniversary of an important blog post. It was the announcement that I started accepting Bitcoin for paragliding tandem flights. I had interest in the nascent internet currency for a couple of months prior to that. And I felt that what was missing were places where people could spend their coins. Only […]

Bitcoin Advanced Course by 21lectures

Last week I attended a Bitcoin Advanced Course that was hosted by 21lectures. Lucas who is also the president of the Bitcoin Association Switzerland initially wanted Jimmy Song to teach his Bitcoin courses also in Switzerland. But when that didn’t work out, he decided to build the classes himself, with the help of great quality […]

Run and fly with the XXLite2

Before I participated in the rollibock trophy in Fiesch last October, I thought my paraglider equipment was fairly lightweight. The glider is a regular Mac Para Marvel, but the Advance Lightness 2 harness is optimized for weight as the name implies, as well as the accompanying backpack. With helmet, gloves, sun glasses, flight computer and […]

Generating solar electricity at home

After I switched to an electric car, I started to care much more about where the energy we consume comes from. With petrol and diesel you don’t really have that option. We are in a comfortable situation that we have some small hydro electric dams nearby. Thus all the electricity we use at home and […]

The mother of all hackathons

I just returned from #hack4climate. Even if it was just my third hackathon, I can state with certainty that this one was unlike any other. None of the 100 hackers from 33  countries experienced anything remotely comparable before. The topic of the event was to develop solutions how blockchain technology can help fighting climate change. […]

Charging electric vehicles with Bitcoin

In my last post I ranted about the current payment methods for charging E.V.s. The electricity for a full charge of an electric car costs something in the range of $2 to $20. But most of the time, we only need a partial charge. Credit cards impose enormous fees on low value transactions, and require […]