Mempool security refers to the measures and protocols implemented to protect the mempool from various attacks and manipulations. The mempool is a waiting area for unconfirmed transactions before they are added to a blockchain block. Ensuring its security helps maintain the integrity and fairness of transaction ordering.
Context
Concerns regarding mempool security are growing, particularly with the rise of Miner Extractable Value (MEV) strategies. Malicious actors can exploit mempool visibility to front-run or sandwich transactions, impacting user fairness and network efficiency. Developers are actively exploring solutions, such as private transaction ordering and specialized mempools, to enhance protection against these exploits.
Local reputation filtering at the transaction relay layer provides decentralized spam mitigation, decoupling network security from volatile fee markets.
A Commitment-Decay Mechanism uses economic bonds and parameter commitments to provably secure fair transaction ordering in decentralized private pools.
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