In the past few years, blockchain thechnologies have sparked a lot of interest in the scientific and businness communities. The working Bitcoin blockchain has spawned a number of scientific research on the technology, security and reliability of the model. It managed to generate a new kind of economy with a market cap of around $ 300 billion at its peak. This article aims to elaborate on the development of blockchain technologies, to discuss the main problems, as well as to show various solutions.
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Yavor Tomov (2019) studied this question.
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