The digital euro is relatively unknown, but the European Central Bank (ECB) has been working for some time to make it the next revolution in European currency. The body chaired by Christine Lagarde has been dropping hints about what it will be and how it will be implemented, but beyond the theoretical approach, the technical part is still in its infancy. However, little by little, there is more and more talk about the digital euro, also beyond the ECB. But what is the digital euro and how will it affect society?