What is the Bitcoin Memory Pool (Mempool)

Published April 28, 2025

by Joel Bomgar

YouTube Video Transcript

ADVANCED: What is the Bitcoin “memory pool” (mempool)? A mempool (short for “memory pool”) is the queue of pending and unconfirmed transactions for a cryptocurrency network node. There is no one global mempool: every node on the network maintains its own mempool, so different nodes may hold different transactions in their mempools. This is an ADVANCED video. Everyone who’s not an advanced bitcoin user can skip this one with no downside. **Originally recorded on 10/4/24**

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Disclaimer:

The content provided in this post is for educational purposes only. It should not be considered financial, investment, or trading advice. I am not a licensed financial advisor, and all opinions expressed are my own. Always conduct your own research and consult with a qualified financial advisor before making any investment decisions. Investing in Bitcoin or any other assets carries risk, and you should never invest more than you can afford to lose.

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What is the Bitcoin Memory Pool (Mempool)

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