Internet
mempool
What does mempool mean?
The 'memory pool' where broadcast transactions sit pending inclusion in a block. Bots watch the mempool for opportunities like front-running.
"During congestion the mempool was flooded and fees spiked."
Origin
Bitcoin/Ethereum node terminology for pending-transaction storage.
Frequently asked questions
What is a mempool?
It is the 'memory pool' where broadcast transactions wait, pending inclusion in a block by miners or validators.
Why do bots watch the mempool?
Because unconfirmed transactions are public there, bots scan them for opportunities like front-running and sandwich attacks.
Why do fees spike when the mempool is full?
When many transactions compete for limited block space, users bid higher fees to get theirs confirmed faster, pushing gas prices up.
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