E-commerce is an area of the digital economy that includes all financial and trade transactions carried out using computer networks, and the business processes associated with such transactions. E-commerce includes: Electronic Data Interchange (EDI),Electronic Funds Transfer (EFT),e-commerce,electronic money (e-cash),e-marketing,electronic banking (e-banking),electronic insurance services (e-insurance). The first systems and methods of e-commerce are due to the emergence of sales...