Step-by-step to Sovereignty & Lightning Network
The most comprehensive free Bitcoin course online. From blockchain basics to sovereign node operation — 45 lessons of expert content.
From zero to sovereign Bitcoiner in 5 structured courses
Blockchain, proof of work, transactions, and the monetary revolution.
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Seed phrases, hardware wallets, and taking control of your Bitcoin.
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ASIC mining, halving cycles, ETFs, and Bitcoin's economic forces.
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Run your own node, open channels, become Bitcoin infrastructure.
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CoinJoin, multisig, UTXO management, and inheritance planning.
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Coin control in Sparrow lives in the UTXOs tab: turn on the UTXO view, label every coin by source, freeze tainted or dust UTXOs, and pre-sel…
Bitcoin Core vs Bitcoin Knots in 2026, explained without tribalism. Both run identical consensus rules — the choice is about relay policy. C…
Your Bitcoin transaction is stuck unconfirmed. Step-by-step fee bumping with RBF and CPFP in Sparrow and Electrum, plus when to use each.…
Lightning invoices explained: how BOLT11 and BOLT12 encode payment requests. Understand payment hashes, blinded paths, reusable offers, and …
Alby Wallet review: self-custodial Lightning for the browser with Nostr Wallet Connect. Run Alby Hub on your hardware or cloud. Best for web…
Breez Wallet review 2026: the self-custodial Lightning wallet with built-in point-of-sale for merchants, podcast streaming sats, and the Bre…
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