The A World

B lockchain. Some may heard of it, some may not. But most are familiar with Bitcoin. To make clear, blockchain and Bitcoin are not the same, but it's often used in the same context. In this blog I'll want to give you an overview of this whole topic and want to explain the blockchain technology. There are going to follow more blogs of this kind, because there is much to talk about and it's a current hot field in technology. Introduction So what is blockchain? Before I can answer this to you, you have to understand first off, how the internet works today. Let's pick Facebook as an example. On Facebook we can send messages, write comments, post things and can do so much more activities. Somewhere all these information have to be stored. Facebook itself is handling that for us. They are saving all those things on their servers. So Facebook is a service and people, who use Facebook, are the clients. Now if Facebook has some trouble with their servers,...

Learning Python: Variables and primitive data types

Hey and welcome to my first blog post. In this one I'll introduce you to the programming language Python, but before we get into it, I'll want to give you a general idea of what programming is. What is programming? Programming is nothing else then giving your computer a set of instructions. Actually we're all doing it in some kind everyday without even knowing. Opening your Web browser or using a calculator, somehow you want your computer to execute these tasks. So you must be able to communicate in a certain language with your computer, but they can just handle 0's and 1's (Bits). So how is it even possible to understand a simple command like "5 + 5"? How should they know what the number 5 is or what a "+" is? The answer is, everything is encoded in a sequence of bits. For example "5" could be represented as "101" and let's say "+" is encoded as "000111", then "101 000111 101...

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