# Knowing Bitcoin

> In-depth guides on Bitcoin self-custody, Lightning Network, hardware wallets, and privacy. Step-by-step paths from beginner to sovereign Bitcoiner.

This site provides comprehensive educational content about Bitcoin sovereignty, organized into 5 structured courses (Bitcoin Fundamentals, Wallets & Self-Custody, Mining & Economics, Lightning & Nodes, Privacy & Security) plus 200+ in-depth articles.

## Courses

- [Bitcoin Fundamentals](https://knowingbitcoin.com/course/bitcoin-fundamentals/): Blockchain, proof of work, transactions, monetary revolution. 10 lessons, 3-4h.
- [Wallets & Self-Custody](https://knowingbitcoin.com/course/bitcoin-wallets-self-custody/): Seed phrases, hardware wallets, taking control of your Bitcoin. 10 lessons, 4-5h.
- [Mining & Economics](https://knowingbitcoin.com/course/bitcoin-mining-economics/): ASIC mining, halving cycles, ETFs, Bitcoin's economic forces. 8 lessons, 3h.
- [Lightning & Nodes](https://knowingbitcoin.com/course/lightning-network-bitcoin-nodes/): Layer 2 payments and running your own sovereign Bitcoin infrastructure. 9 lessons, 3-4h.
- [Advanced Security & Privacy](https://knowingbitcoin.com/course/advanced-bitcoin-security-privacy/): CoinJoin, multisig, OPSEC, protecting your Bitcoin sovereignty. 8 lessons, 3h.

## Article categories

- [Bitcoin Security](https://knowingbitcoin.com/category/bitcoin-security/): Hardware wallets, multisig, attack vectors, key management.
- [Bitcoin Privacy](https://knowingbitcoin.com/category/bitcoin-privacy/): CoinJoin, chain analysis, address reuse, KYC/AML.
- [Bitcoin Wallets & Self-Custody](https://knowingbitcoin.com/category/bitcoin-wallets-self-custody/): Hot/cold wallets, hardware reviews, software wallets.
- [Bitcoin Nodes & Infrastructure](https://knowingbitcoin.com/category/bitcoin-nodes-infrastructure/): Full node setup, Umbrel, Start9, RaspiBlitz, hardware specs.
- [Lightning Network](https://knowingbitcoin.com/category/lightning-network/): BOLT11/BOLT12, channels, routing, watchtowers, Phoenix/Breez/Zeus.

## Most popular guides (Lightning Network & node operation)

These are the most visited and highest-engagement guides on the site, focused on running your own Lightning node and operating Bitcoin infrastructure at home:

- [Lightning Invoices Explained: BOLT11 and BOLT12](https://knowingbitcoin.com/lightning-invoices-bolt11-bolt12/) — Payment hashes, blinded paths, reusable offers, evolution of Lightning invoices.
- [Lightning Network Channel Management Best Practices for Node Operators](https://knowingbitcoin.com/lightning-network-channel-management-best-practices-for-node-operators/) — Channel sizing, peer selection, rebalancing, fee management.
- [Bitcoin Node Hardware Requirements](https://knowingbitcoin.com/bitcoin-node-hardware-requirements/) — RAM, CPU, SSD, network specs for full nodes and Lightning.
- [Running a Lightning Node: Complete 2026 Guide](https://knowingbitcoin.com/running-a-lightning-node-complete-2026-guide/) — Hardware, software (LND/CLN), channel management, ongoing operation.
- [How to Run a Lightning Node at Home](https://knowingbitcoin.com/how-to-run-a-lightning-node-at-home/) — Hardware, software setup, ongoing operations for home node operators.
- [Understanding Bitcoin Node Synchronization](https://knowingbitcoin.com/understanding-bitcoin-node-synchronization-technical-challenges-and-solutions/) — IBD challenges, pruned vs archival, optimization strategies.
- [Lightning Network Fees Complete Guide](https://knowingbitcoin.com/lightning-network-fees-complete-guide/) — Base fee, fee rate, channel selection, routing economics.
- [Lightning Watchtower Setup Guide](https://knowingbitcoin.com/lightning-watchtower-setup-guide/) — Protect channels from breach attempts when your node is offline.

## Featured wallets and tools

- [Best Lightning Wallets 2026: Tested & Compared](https://knowingbitcoin.com/best-lightning-wallets-2026-tested-compared/)
- [Phoenix Wallet Review 2026: Best Lightning Wallet?](https://knowingbitcoin.com/phoenix-wallet-review-2026/)
- [Best Bitcoin Cold Storage Methods 2027](https://knowingbitcoin.com/best-bitcoin-cold-storage-methods-2027/)
- [Bitcoin Custody Multisig Setup Guide](https://knowingbitcoin.com/bitcoin-custody-multisig-setup-guide/)
- [Umbrel vs Start9: Which Node Software](https://knowingbitcoin.com/umbrel-vs-start9-which-node-software/)
- [Air-Gapped Hardware Wallets Guide](https://knowingbitcoin.com/air-gapped-hardware-wallets-guide/)

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[Full sitemap](https://knowingbitcoin.com/sitemap-index.xml)