Experiment: Hacking Ethereum Wallets - Bruteforce

Some time ago I came across a YouTube video by chance with the title: "Eth Wallet Bruteforce Hack". A programmer showed a simple Python script which could generate a random private key (64 characters / 32 bytes / 256 bits). This was used to calculate the public-key and address and pass it to a blockchain … Continue reading "Experiment: Hacking Ethereum Wallets - Bruteforce"

Ideas for children Toys from the 3D printer

3D printers have become an integral part of our everyday lives. In addition to toys, animals and figures from the printer, it is relatively easy to upgrade pieces of furniture in the children's room or print lamps, photo frames and containers. Lego bricks and marble run are no problem, as even more useful things from … Continue reading "Ideas for children Toys from the 3D printer"

Early musical education of children

Most people like listening to music, everyone has their own preferences. It is not surprising that babies and toddlers can already benefit from music. Music influences many cognitive areas and enriches the mental well-being. In which way and which methods there are to integrate music into the everyday life of the child, you can find … Continue reading "Early musical education of children"

Training in limited space / fat burning 2.0

It will soon be summer again for sure! Then the days will be hot again, 30 degrees and more. If you haven't reached your beach figure yet, you should do something about it, if you want to spend the summer holidays at the sea and have a good figure 😉 But also all those who … Continue reading "Training in limited space / fat burning 2.0"

Fitness: Balance Board - ideas and exercises for more body tension

Some time ago I heard that you can train your body tension with a so called balance board. Especially as a Karateka body tension and balance training is very important, so I ordered a balance board. Fortunately, such are available from 20,- EUR (about 25 USD). After a short trial and error I was enthusiastic, … Continue reading "Fitness: Balance Board - ideas and exercises for more body tension"

Karate: Kicks 2 - Coordination and precision

In the first part (coordination and strength training) of this series, the importance of kicks and the corresponding movement sequences, and how to train the relevant coordinative skills and required muscle groups was already roughly discussed. In this second part about karate and kicks I would like to introduce some simple exercises how to train … Continue reading "Karate: Kicks 2 - Coordination and precision"

Karate: kicks - Coordination and strength training

In karate as well as in many other martial arts, kicks are an elementary component. However, many trainers and especially beginners have considerable problems. Of course you want to start training immediately and kick with full steam, but often the kick fails already because of the correct execution, which can cause injuries that can be … Continue reading "Karate: kicks - Coordination and strength training"

Training equipment: Makiwara 2.0

A Makiwara is a piece of sports equipment originating from Japan, which in karate is known mainly as a wooden hitting post. In the past (and partly still today) a makiwara is made of a flexible and non-splintering wooden board. One end of the board is driven vertically into the ground, and the other end … Continue reading "Training equipment: Makiwara 2.0"

Martial arts - training - goals : Motivation is everything!

Who among you doesn't know it?! You train obsessively towards a training goal, or starve yourself to your desired weight. Basically, it doesn't matter what kind of goal you're talking about here, because from diet to training success, or the next step on the career ladder at work. The course is often identical! In the … Continue reading "Martial arts - training - goals : Motivation is everything!"

6 years karate and training in 7 minutes

In 2009 I discovered karate for myself and as I slowly moved towards the Dan exam (1st Dan 2015) in 2014, I created this small excerpt from my karate life for the occasion. Maybe it helps one or the other to motivate themselves and to stay on the ball. I hope you like it! Motivation … Continue reading "6 years karate and training in 7 minutes"