Add to ORKGThis dissertation deals with selected issues in currency in the Czech republic. To understand the problem it is important to define the concepts related to this topic. The thesis includes basic information about money, their forms and protective elements, payment cards and their safety elements mainly because of preventive measures , which should each currency manager excercise in its competence. In the dissertation there are explained the differences between forgery and altering the money and their ways of forgery not to lead to further transmission and the falsification could be withdrawn from the circulation. The thesis also defines ways and types of frauds carried out on means of payment. Next there is statistical comparison of amount o...