Lightning Network Education

Learn Me a Lightning

Understand how the Lightning Network works — Bitcoin's revolutionary layer-2 protocol for instant, global, and nearly free payments.

Start Learning Interactive Tools

Wait, What is Lightning?

The Lightning Network is a decentralized system for instant, high-volume micropayments. It avoids the congestion of the main Bitcoin blockchain while keeping it as a final judge of truth.

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Instant

Payments settle in milliseconds. No waiting for block confirmations. Just pure velocity.

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Microfees

Fees are sub-satoshi, making it practical to buy a coffee or pay-per-article.

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Self-Custodial

Stay in control of your funds. Lightning uses smart contracts to guarantee safety.

Explore the Protocol

Deep dives, interactive playgrounds, and visualizations.

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Beginners

New to Lightning? Start with our gentle guides and visual explainers.

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Technical

Deep dives into BOLTs, HTLCs, and onion routing for developers.

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Tools

Interactive playgrounds to build PSBTs and onion packets.

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Explorer

Visualize the network graph and inspect real-time gossip data.

Featured Playground

PSBT Visual Inspector

Construct, inspect, and visualize Partially Signed Bitcoin Transactions byte-by-byte. See exactly how Lightning use cases like Splicing utilize PSBT fields.

Open Playground

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Built for Developers

This project is open source and community-driven. Join us in building the most comprehensive technical resource for the Lightning Network.

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