The Mempool Open Source Project develops mempool.space, a fully featured explorer and visualizer for the Bitcoin community, focusing on the emerging transaction fee market to help our transition into a multi-layer ecosystem.
The mempool.space website and API service are freely operated for the benefit of the Bitcoin community, and you can also self-host your own mempool instance at home on a Raspberry Pi or other low-powered device, optionally using a number of third-party integrations such as Umbrel, RaspiBlitz, RoninDojo, MyNode, and more.
Since our project is developed for the community, we keep it free of distractions like advertising, altcoins, third-party trackers, etc. - we are funded by the community directly - so if you like our work please consider supporting us and becoming a sponsor using the links on the right, or donate Bitcoin at mempool.space/about
Featured work
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mempool/mempool
Bitcoin block explorer, mempool visualizer, transaction tracker, and fee estimator
TypeScript 335
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$10 a month
Select$100 a month
SelectAs thanks for sponsoring us at this tier, we'll also feature your profile photo on mempool.space/about with a link to your GitHub page!
$1,000 a month
SelectAs thanks for sponsoring us at this tier, we'll also feature your organization logo on mempool.space/about with a link to your organization website!

Formed in 2009, the Archive Team (not to be confused with the archive.org Archive-It Team) is a rogue archivist collective dedicated to saving copies of rapidly dying or deleted websites for the sake of history and digital heritage. The group is 100% composed of volunteers and interested parties, and has expanded into a large amount of related projects for saving online and digital history.

The Mempool Open Source Project greatly appreciates your support!