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A Cryptocurrency Exchange Platform (or Digital Currency Exchange - DCE) is a digital marketplace where users can buy, sell, and trade cryptocurrencies or digital assets for other assets, such as conventional fiat money (e.g., USD, EUR, INR) or other digital currencies (e.g., trading Bitcoin for Ethereum).
These platforms serve as the core infrastructure for the crypto economy, providing the necessary tools, security, and liquidity for price discovery and asset exchange. They can be broadly categorized into two main types: Centralized and Decentralized.
Trading Engine: This is the "core" of the exchange. It is a high-speed system that processes and matches buy and sell orders in real-time, ensuring low latency and accurate price execution.