Lightning & L2

Faster, cheaper payments built on top of Bitcoin.

• Lightning Network

  Bitcoin's fast lane: instant, near-free payments that settle up on-chain later.

• Payment channels

  Two people lock bitcoin together, trade instant balance updates, and settle on-chain once.

• Lightning invoices

  A one-time payment request — scan it, pay it, done in a second.

• Lightning vs on-chain

  Cash register or vault: pick the layer that matches the payment.

• Layer 2

  Systems built on top of Bitcoin that trade some trust for speed or features.

• Routing
• Liquidity
• Liquid