Bitcoin Lightning Network — Practical
Practical guide to Lightning — wallet, channel, Invoice, LNURL, usage.
Lightning Network is a Layer 2 protocol for instant BTC payments — already used by millions in practice.
How to use Lightning (without technical details):
1. Non-custodial Lightning wallets: • Phoenix Wallet — automatic channel management • Breez — podcast streaming sats, store mode • Mutiny Wallet — browser-based, Web5
2. Custodial (easier, less secure): • Wallet of Satoshi — simplest • Strike — banking Lightning • CashApp (USA) — Lightning support
Lightning payment:
•Invoice (BOLT11) — QR code for payment
•LNURL — URL that dynamically generates invoice
•Lightning address — "user@domain.com" format
(e.g. nikola@getalby.com)
Where to pay with Lightning:
•Alby — browser extension for web payments
•Podcasting 2.0 — stream sats listening to podcasts
•Strike — buy and send BTC instantly
•Bitnob — Africa remittance
•Boltz — non-custodial swap Lightning↔on-chain
Business cases:
•Microtransactions (< $0.01) — impossible on-chain
•Cross-border payment without bank
•API payments (machine-to-machine)
•Gaming: zapper rewards
Limitations:
•Inbound liquidity needed to receive
•Offline can't receive (non-custodial)
•Backup SCBDATA mandatory for non-custodial