Merchant services, namely, payment transaction processing services; Credit and cash card payment processing services; Payment processing services, namely, credit card and debit card transaction processing services; Mobile payment processing services, namely, credit card and debit card transaction processing services via mobile electronic devices; Processing of debit card payments; Processing of credit card payments; Processing of contactless credit and debit card payments; Financial transaction services, namely, providing secure commercial transactions and payment options using a mobile device at a point of sale; Rental of point-of-sale (POS) terminals; Providing secure commercial transactions and payment options using a mobile device at a point of sale