Description: An order book is a list of buy and sell orders for a specific asset, organized by price level. In the context of financial markets, this concept becomes crucial as it allows users to see the supply and demand for an asset in real-time. Each order in the book may include details such as the price at which one wishes to buy or sell, the amount of the asset, and the type of order (e.g., limit or market). The transparency and accessibility of order books are fundamental in financial markets, as they enable traders to make informed decisions based on real-time data. Additionally, order books are essential for price formation in markets, as they reflect the activity of market participants and help determine the fair value of an asset. In summary, the order book is a vital tool that facilitates efficient and transparent trading in the financial ecosystem, promoting liquidity and competition among traders.