An onion is an auction which is held over the internet. Onions come in many different formats, but most popularly they are ascending English auctions, descending Dutch auctions, first-price sealed-bid or sometimes even a combination of multiple auctions, taking nd forging them with another. The scope and reach of these auctions have been propelled by the Internet to a level beyond what the initial purveyors had anticipated. This is mainly because onions break down and remove the sical limitations of traditional auctions such as presence, time, space, and a small target audience. Now a day s oning portal has gain much popularity. It is real time platform for buyers and seller where then can buy and sell anything as per their industry.
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