financial services; electronic check, credit card, smart card and debit card services; point-of-sale financial services; providing financial, credit card, smart card and debit card security, access, authorization and identification services; leasing services for electronic data terminals, point-of-sale terminals, and other machines where cash or other means of payments are used; training, installation, technical assistance, repair, replacement and other consulting services in connection with electronic data terminals, telephones and data communication devices which accept smart cards, credit cards, debit cards, checks and other forms of payment tender