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The Mempool Open Source Project

The Mempool Open Source Project operates a self-hosted Bitcoin mempool and blockchain explorer focused on the transaction-fee market and Bitcoin’s multi-layer ecosystem. It also provides enterprise Bitcoin data infrastructure, APIs, WebSockets, Electrum RPC, mining data, and transaction acceleration services.
Distributed
8 current maintainers5 active leads2 new active leads4 lead step-downs1 early lead departure

Maintainer signals as of Aug 10, 2026

Description

The Mempool Open Source Project provides a Bitcoin blockchain and mempool explorer that lets users inspect transactions, blocks, fees, mining activity, and Lightning Network data across mainnet and test networks. Its open-source software is designed to be self-hosted without trusted third parties. Through Mempool Enterprise, it serves Bitcoin businesses with production-grade data infrastructure, including unmetered REST APIs, Electrum RPC, WebSockets, mining analytics, and Accelerator Pro for transaction prioritization.

Open Roles

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