How Do CEXs Ensure Fair Transaction Execution without Mempool Transparency?

CEXs operate a private, centralized order book where all pending orders are internal and not publicly visible until executed. They use sophisticated, proprietary order matching algorithms that execute trades based on strict price-time priority rules.

The exchange acts as a trusted intermediary, legally bound by their terms of service and regulatory rules to prevent their employees or systems from front-running client orders. Internal surveillance systems constantly monitor for abusive trading patterns.

What Surveillance Tools Are Used by CEXs to Detect Internal Front-Running?
What Is the Primary Difference between a Private Transaction and a Regular Mempool Transaction?
What Is the Role of ‘Surveillance’ Systems in Detecting Wash Trading?
How Do Order-Book DEXs Attempt to Solve the Liquidity Problem without a Centralized Entity?
How Do Centralized Exchanges (CEX) Typically Implement Market Surveillance to Detect Manipulative Trading Practices?
How Does a CEX Ensure Fair Transaction Ordering without a Public Mempool?
What Is the Primary Difference in Front-Running Mitigation between Centralized (CEX) and Decentralized (DEX) Exchanges?
What Internal Surveillance Tools Do CEXs Use to Detect Market Manipulation like Front-Running?

Glossar