Private Relay Networks
Private Relay Networks are specialized infrastructure that allows users to send transactions directly to validators, bypassing the public mempool. This is primarily used to protect trades from frontrunning and sandwich attacks.
By keeping the transaction details private until they are included in a block, the user eliminates the risk of MEV bots observing and acting on their intent. This is increasingly important for institutional-grade DeFi and high-frequency trading on-chain.
While it improves security for the individual, it raises questions about the centralization of transaction flow and the fairness of the market. It represents a significant evolution in the infrastructure supporting decentralized financial derivatives.