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Anleitungen, Tutorials & Artikel

Kostenlose Anleitungen, Tutorials und Artikel zu allem - vom ersten Bitcoin-Kauf bis zu fortgeschrittener Selbstverwahrung und Datenschutz-Techniken.

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45 articles

Getting Started

5 articles

Buying Bitcoin

3 articles

Wallets & Storage

10 articles
Lesson
beginner2

Self-Custody Guide: Take Control of Your Bitcoin

Complete guide to Bitcoin self-custody. Hardware wallets, seed phrases, security best practices. Take your bitcoin off exchanges.

Wallets & Storage
Lesson
beginner6

How to Set Up a Hardware Wallet: Your First Cold Storage

Set up your first hardware wallet step by step. This beginner guide covers Trezor Safe 5 setup, seed phrase backup, PIN security, and moving Bitcoin off an exchange.

Wallets & Storage
Lesson
intermediate19

7 Hardware Wallet Setup Mistakes That Could Cost You Your Bitcoin

Avoid these common hardware wallet setup mistakes. From seed phrase storage to firmware checks, learn how to secure your bitcoin properly from day one.

Wallets & Storage
Lesson
beginner32

Bitcoin Wallets Explained: Hot vs Cold, Custodial vs Non-Custodial

Learn what a Bitcoin wallet really is, the difference between hot and cold wallets, and when to upgrade to self-custody. Clear, practical guide for beginners.

Wallets & Storage
Lesson
advanced37

Coldcard Mk4 Setup Guide: From Unboxing to First Transaction

Step-by-step Coldcard Mk4 setup guide covering PIN configuration, seed phrase generation, Sparrow Wallet connection, and your first air-gapped bitcoin transaction.

Wallets & Storage
Lesson
intermediate38

Coldcard vs Passport (2026): Which Air-Gapped Wallet Wins?

Coldcard Mk4 vs Foundation Passport Core head-to-head. Security, air-gap methods, design, companion apps, and pricing compared with a clear winner pick.

Wallets & Storage
Lesson
intermediate46

Phoenix Wallet Guide: The Best Self-Custodial Lightning Wallet in 2026

Complete guide to Phoenix Wallet v2.x by ACINQ. Set up, send, receive, and manage your self-custodial Lightning wallet with Taproot channels and splicing.

Wallets & Storage
Lesson
advanced49

How to Build Your Own Hardware Wallet with SeedSigner: The Ultimate DIY Project

Step-by-step SeedSigner build guide. Assemble a DIY bitcoin hardware wallet with a Raspberry Pi Zero 2W, camera module, and open-source software for $50–80.

Wallets & Storage
Lesson
intermediate51

Sparrow Wallet Guide: The Best Desktop Wallet for Bitcoin Self-Custody

Complete guide to Sparrow Wallet v2.x: download, verify, set up, connect to a node, pair with hardware wallets, use coin control, CoinJoin, and Taproot.

Wallets & Storage
Lesson
beginner56

Trezor vs Ledger (2026): The Definitive Hardware Wallet Comparison

Trezor Safe 5 vs Ledger Nano X, plus Trezor Safe 7 and Ledger Flex. Open source vs closed source, Ledger Recover controversy, pricing, and clear picks.

Wallets & Storage

Security

7 articles
Lesson
advanced9

Bitcoin Attestation Guide: Verify Hardware Wallets and Software in 2026

Learn to verify Bitcoin hardware wallets and software authenticity in 2026. Covers Coldcard attestation, Jade supply chain, GPG signatures, and checksums.

Security
Lesson
advanced20

Bitcoin Inheritance Planning: How to Pass Your BTC to Your Heirs

Learn how to create a bitcoin inheritance plan so your heirs can access your BTC. Covers multisig, Shamir backup, dead man's switches, and legal tips.

Security
Lesson
beginner27

Bitcoin Scams to Avoid: How to Spot and Protect Yourself in 2026

Learn how to identify the most common Bitcoin scams, from fake exchanges to clipboard malware, and protect your bitcoin from thieves.

Security
Lesson
intermediate28

Bitcoin Security Mistakes: 12 Costly Errors and How to Avoid Them

Real people lost billions to these bitcoin security mistakes. Learn what went wrong, see real-world examples, and get simple fixes to protect your bitcoin today.

Security
Lesson
advanced44

Bitcoin Multisig Explained: Why One Key Isn't Enough

Security
Lesson
beginner48

Bitcoin Seed Phrase: What It Is, Why It Matters, and How to Protect It

Learn what a bitcoin seed phrase is, how BIP-39 generates your 12 or 24 word recovery phrase, and how to protect it with metal backups, passphrases, and Shamir shares.

Security
Lesson
advanced

Does Bitcoin Self-Custody Insurance Exist? What You Actually Need to Know

Bitcoin self-custody insurance does not exist in the traditional sense -- but there are real ways to protect your cold storage. Honest breakdown.

Security

Privacy

4 articles

Technical

7 articles
Lesson
intermediate4

Lightning Network Explained — Bitcoin's Payment Layer

Understand the Lightning Network in plain English: how it works, which wallets to use, real-world examples, and honest pros and cons. No jargon, no hype.

Technical
Lesson
intermediate8

Bitcoin Address Types Explained: Legacy, SegWit, and Taproot

Learn the difference between Bitcoin address types: Legacy, SegWit, and Taproot. Which one saves you the most on fees? Practical guide updated for 2026.

Technical
Lesson
beginner15

Bitcoin Transaction Fees Explained: Why They Exist and How to Save

Understand how Bitcoin transaction fees work, what drives costs up and down, and practical tips to save money on every transaction. Updated for 2026.

Technical
Lesson
intermediate21

Bitcoin Layer 2 Solutions Explained: Lightning, Liquid, Ark, and More

Understand Bitcoin layer 2 solutions: Lightning Network, Liquid, Ark, Stacks, RGB, and Fedimint. How they scale Bitcoin without changing the base layer.

Technical
Lesson
intermediate22

Bitcoin Mining Explained: How It Works and Whether It's Worth It in 2026

Learn how Bitcoin mining works, what proof of work means, and whether mining is profitable in 2026. Covers ASICs, costs, pools, and home mining.

Technical
Lesson
advanced23

Running a Bitcoin Node: Why It Matters and How to Set One Up

Learn what a Bitcoin node does, why running one matters for privacy and security, and how to set one up using Bitcoin Core, Umbrel, RaspiBlitz, or Start9.

Technical
Lesson
intermediate24

How to Accept Bitcoin Payments: A Guide for Small Businesses (2026)

Accept Bitcoin payments for your business in 2026. Compare BTCPay Server, OpenNode, Strike, and Coingate. Covers Lightning, fees, and accounting basics.

Technical

Investing & Strategy

5 articles

Tax & Regulation

1 article

Resources

3 articles

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