Cellum is a leading multinational mobile wallet provider based in Europe. Its innovations make transactions via smartphones easier and more secure. The company’s banking grade security solutions cover all areas of m-commerce, including mobile commerce and payments, as well as NFC (contactless) technologies. Cellum is PCI DSS 3.2 Level 1 compliant, being one of the first mobile payment service providers in the world to comply with the most important security standard of the top global card companies. Systems operated by Cellum currently manage nearly two million secure mobile transactions per month, and the company counts among its customers and partners MasterCard, Magyar Telekom, Telenor, Erste Bank, FHB Bank, OTP Bank, PaysBuy, Evercoss and Kalixa. Established in 2000, the company began a major international expansion in 2011, establishing subsidiaries in several European, North American and Asian markets.