Step-by-Step Guide
Deep dive into the core concepts that make the Lightning Network possible.
Payment Channels
The foundation of off-chain transactions. Learn how two parties can transact without hitting the blockchain.
HTLCs
Hashed Time-Lock Contracts: The magic behind multi-hop payments and trustless routing.
Routing & Liquidity
How payments find their way across the network and why inbound/outbound capacity matters.
Nodes & Fees
What it takes to run a node and how routing fees are calculated.
Submarine Swaps
Bridging the gap between on-chain Bitcoin and Lightning channels.