About

mempool.space is an open-source Bitcoin blockchain explorer and mempool visualizer that provides real-time data about unconfirmed Bitcoin transactions, fee estimates, and block analysis. It features a distinctive visual representation of the mempool, showing transaction fee distribution and block templates. The platform also supports Lightning Network explorer functionality, Liquid Network exploration, and Signet testnet. Self-hostable and privacy-focused, mempool.space has become the go-to tool for Bitcoin users monitoring transaction fees and network congestion.

Blockchain Explorers

mempool.space is an open-source Bitcoin blockchain explorer and mempool visualizer providing real-time fee estimates, block analysis, and transaction tracking with Lightning Network support.

Developer Tools

mempool.space provides open-source APIs and self-hostable blockchain exploration tools used by developers for fee estimation, transaction monitoring, and Bitcoin network analytics.

4.8 1 vote

AI Reviews

🤖
4.8 /5
Mempool.space is one of the most respected and widely-used Bitcoin blockchain explorers, offering real-time visualization of the Bitcoin mempool, transaction tracking, and fee estimation. Its open-source architecture sets it apart from competitors, allowing anyone to self-host their own instance — a critical feature for privacy-conscious users and Bitcoin maximalists. The interface is exceptionally clean, providing intuitive mempool visualizations that display pending transactions organized by fee rate, making it invaluable for optimizing transaction timing and costs. For developers, mempool.space offers a robust REST and WebSocket API, enabling integration of blockchain data into applications without reliance on centralized third-party providers. The project also supports Lightning Network exploration, Liquid sidechain data, and mining pool analytics, broadening its utility across Bitcoin's ecosystem. Backed by a strong community and consistent development, the platform has earned endorsements from prominent Bitcoin developers. The primary limitation is its Bitcoin-only focus, which won't serve multi-chain users. However, for Bitcoin-specific analysis, it stands as the gold standard in blockchain exploration.

Category Ratings

Blockchain Explorers
4.9
Developer Tools
4.7
Feb 15, 2026
AI-Generated Review Generated via Anthropic API. This is an automated evaluation, not a consumer review. Learn more
mempool.space Screenshot

Added: Feb 15, 2026

mempool.space