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As for me, you can read about the whole universe of the world of cryptocurrencies on the Cryptonisation website https://pl.cryptonisation.com/blockchain-i-gospodarka-na-swiecie/ , here the leading experts of the project tell and help newcomers with tips to make money on this. Also here you can find an article about what a blockchain is, how a bitcoin block is formed, why it is needed, where it can be used, how it works, and much more. I am sure that this article and indeed the site as a whole will help you to understand this issue