Secure communication and the CIA

The eye of our Big brother is spying on us all. Edward Snowden revelations have taught us that there is no place to hide. However, we can protect our communication by using a bunch of tools and apps. Come and start using them right away! This was a little bit of “improv” part of LibertyCon […]

Bitcoin as a store of value

A little bit more “technical” talk about using Bitcoin as a store of value, not as a transactional system. Does the value of Bitcoin in terms of state currencies actually have to be stable and/or not volatile? Is there a market in storing wealth in cryptocurrencies? Should all people save in one currency? This was […]

On tourists and astronauts

“Have you ever tried not being a tourist when you travel?”, asked my friend. He meant not checking into a hotel, but living where the locals live, buying groceries where locals buy groceries, cooking food and doing your day to day business. We had an interesting conversation that evolved from a question I used to […]

Turris Omnia review

I was eagerly awaiting for my Turris Omnia which I preordered on their Indiegogo campaign almost a year ago. The campaign raised more than 1.2 million dollars and the router was created by a team from Czech Republic’s .cz domain administrator CZ-NIC. I was always a little bit sad that the ISPs sell you a […]

Barbell strategy for investment

What you’ll learn: Investment is not about picking the right financial product (like stocks or bonds or mutual funds) There’s an investment strategy that is based on your values and relates to other goals of your life – like elimination of stress There is a way to gain from disorder and chaos, not only go […]

Ethereum and other altcoins

As you all probably know I am a fan of Bitcoin, but I am not that much of an alt-coin guy. What I mean by that is that I think that a main property of money is that it is universal means of exchange. It is good that you can store your wealth as savings […]

Report from 30C3: There’s no privacy

Chaos Communication Congress is the oldest hacker conference in the world and the largest of its kind in Europe. It takes place at the end of each year in Hamburg and brings current research in the field of security, networking and increasingly also politics and other topics related to “hacking” – the unconventional use of […]

Hacking the Czech Parliament via SMS [30c3]

Hacking the Czech Parliament via SMS A parliamentary drama of 223 actors The Czech art collective Ztohoven’ project “Moral Reform” was accomplished in collaboration with web security experts. Together they created the unique art concept of a mobile phone mass-hack. “Am I the only one who sees all the bad things we do? It’s impossible […]