Electronic Commerce is process of doing business through computer networks. A person sitting on his chair in front of a computer can access all the facilities of the Internet to buy or sell the products. Through this the person can buy household items from a shop. An online catalog for listing all products for sale, their price and sometimes their availability. Electronic Commerce is process of doing business through computer networks. A person sitting on his chair in front of a computer can access all the facilities of the Internet to buy or sell the products. E-Commerce which was started in early 1990’s has taken a great leap in the world of computers, but the fact that has hindered the growth of e-commerce is security. Security is the challenge facing e-commerce today & there is still a lot of advancement made in the field of security.

• E-Commerce
• E-Commerce Security
• Online Shopping

Co-buying is a novel online shopping approach that unites buyers in a single purchase to maximize discounts. Groups can join together, lowering prices. Co-buys are time-limited, and as more people join, prices decrease. Users can request products in a price range. The admin reviews demand and may allocate for co-buying, displaying current and best prices. When users join, their payment method is authorized. As prices drop, users can share on social media to attract more participants. The person who brings the most participants may get the product for free. This system optimizes product pricing.

• Co-buying
• Group purchasing
• Online Shopping