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BLIK is a common standard for mobile payments. Currently, virtually every customer of domestic payment institutions offering a mobile application has the option of using BLIK in mobile banking applications in Poland. The company Polski Standard Płatności (PSP) is responsible for the development of the system. PSP is constantly developing BLIK's capabilities so that the system is as functional as possible for its users. The shareholders of PSP are: Alior Bank, Bank Millennium, Santander Bank Polska, ING Bank Śląski, mBank, PKO Bank Polski and Mastercard.