Trezor BitCoin HardwareWallet

Today I received my Trezor BitCoin HardwareWallet. When I ordered it in June 2013, the expected delivery Date was October. But as it happens all that often with BitCoin related hardware, the dates get pushed back. They offered a device with plastic case for XBT 1 and one with an alloy case for XBT 3. […]

We have been using passwords for too long

Every time I have to register to a website using a password, I grow more annoyed. Passwords were fine when you only had one, to log in to your corporate mainframe. But these days, computers are better at cracking passwords than humans at remembering them. It only gets worse with the more sites you maintain […]

Playing with Smart-Cards

Ever since reading the book “Kryptographie und IT-Sicherheit” where I first learned about how SmartCards work, I wanted to do some SmartCard programming. In the book it describes some inner workings of Smart Cards, and that some of them have a small Java VM inside. But it turned out that the entry was not as […]