The world of blockchain and cryptocurrencies is expanding and going mainstream. A few years ago, it was the topic of discussion of a small community. Today, the crypto world is slowly but surely becoming a part of the world we all live in. Blockchain technology becomes a part of many leading industries. And cryptocurrencies, like Bitcoin and Ethereum, become accepted forms of payment by an increasing number of merchants.
In this context, many people want to learn more about the concept, the history and the potential future uses of blockchain and cryptocurrencies. They want to have at least a basic knowledge of what these concepts are and how they work.