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 A  Google has been expanding its data centers - data processing centers - in various locations in the United States since 2006, so that in April 2018 was announced its eighth building in this direction in the country. As a result, $ 1.3 billion in economic activities and 11,000 new jobs were generated. This economic impact was recently presented by the company in a report prepared and published by  Oxford Economics - a company specialized in quantitative forecasting and data analysis. In the material, it is also pointed out that, for the construction and expansion of six of these projects - located in the states of Iowa, Oklahoma, North Carolina, South Carolina Colorado and Oregon - US $ 10.5 billion were invested. In these campuses alone, 1,900 employees were hired. In addition, 1,100 construction workers were employed annually for maintenance activities.  The document also estimates that more than 4,700 jobs in the retail and leisure sectors were opened, through t...

 In addition to the diplomas and certificates covered in the previous section, there are several other academic documents that need to be issued and stored securely. Such documents serve, for example, as proof of the training received by the student and his academic trajectory. Examples of these documents include evidence, history, among others. Security is important in this context because, for example, information such as grades in courses taken can be subject to adulteration to increase the chances of hiring a particular job. Srivastava et al . (2018) suggest the creation of a blockchain-based data recording platform that registers, through tokens , all credits acquired by the student throughout his academic trajectory. Each university in the system has a blockchain node and is responsible for generating identification credentials for its students by verifying the authenticity of their personal documents. Each student has his digital wallet, where tokens are registered for each ...