A Dutch Auction is an auction system in which the price of an item is gradually lowered until it meets a responsive bid and is sold. U.S. Treasury bills are sold under this system.
A Sealed-Bid Auction is a type of auction where bidders submit individual confidential bids without knowledge of the other participants' bids, and the highest bid typically wins.
A comprehensive guide to understanding second-price auctions, their mechanics, historical context, key events, importance, applicability, and much more.