There are so many terms that are used for E-commerce, such as electronic commerce or internet commerce. It refers to the purchase and sale of commodities or services using the internet and thereby transferring of requisite money and information to execute such commercial transactions.There are primarily two categories of modern-day E-commerce. The very first classification is mainly business activities depending on different types of products sold, which includes anything from requisitioning digital content for instant online depletion to placing an order for conventional products and services, to meta-services for facilitating other forms of E-commerce. The second segment is based on the participant's character, like B2B, C2B, B2C, and C2C.The Internet is used at the institutional level by large financial institutions and corporations to interchange financial data to open the door for domestic as well as international business. Security and data integrity are said to be critical challenges for E-commerce business scenarios.