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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.
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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.