# Bitcoin mempool size and transaction handling

https://b10c.me/blog/001-the-300mb-default-maxmempool-problem/

Bitcoin nodes limit unconfirmed transactions to 300 MB by default. High transaction volumes cause memory usage and fee-based filtering. Node operators can adjust maxmempool to manage storage and transaction inclusion.

Image: https://b10c.me/data/blog/001-300MB-default-problem/transactions-dropping-from-mempool.png

Image: https://b10c.me/data/blog/001-300MB-default-problem/chained-mempool-tx.png

#bitcoin #mempool #transactions #blockexplorer

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Canonical URL: https://qwibbit.com/q22486

Created: 2026-10-25T10:49:01.518470+00:00

Last edited: 2026-10-25T10:49:01.518470+00:00

Board: 3

Origin: Syndicated

Original source: https://b10c.me/blog/001-the-300mb-default-maxmempool-problem/