Magazine · Tag
#Self-custody
- Security & custody · · 13 min readAir-gapped Wallets: Who Are They Worth It For?Air-gapped wallets explained: signing by QR code or microSD, which attacks it stops, which it doesn't, and who the extra effort is worth it for.
- Basics · · 12 min readBitcoin Addresses Explained: bc1q, bc1p, 3 and 1Bitcoin addresses explained: what 1…, 3…, bc1q… and bc1p… mean, which format saves fees and how to check an address properly before you send.
- Security & custody · · 13 min readBitcoin Backups: The Minimal Secure SetupThe smallest Bitcoin backup that survives fire, theft, a lost device and your death: a setup per holding size, a checklist and common mistakes.
- Buying & saving · · 14 min readBitcoin ETP or Real Bitcoin: Which Suits You?Bitcoin ETP or real bitcoin? Fees, taxes in DE, AT and CH, risks and custody compared, with a worked example in EUR and CHF. How to choose.
- Buying & saving · · 12 min readBitcoin Fees When Buying: Spread, Fees and Hidden CostsBitcoin fees when buying: spread, deposit, withdrawal and custody costs explained, with examples in EUR and CHF. How to measure your real costs yourself.
- Buying & saving · · 12 min readBuying Bitcoin in Switzerland: Providers, Fees, ProcessBuying bitcoin in Switzerland: Relai, Pocket, Swissquote, PostFinance and exchanges with real fees in CHF, withdrawal to your wallet and the steps.
- Mining & technology · · 13 min readRunning Your Own Bitcoin Node: What It Gives You and How to StartRunning your own bitcoin node: what it gives you, which hardware is enough, what power and storage cost and how to set it up step by step.
- Buying & saving · · 15 min readBuying Bitcoin Without KYC: P2P, Legal Status, Pros and ConsBuying bitcoin without KYC: P2P exchanges, cash and ATMs, what is allowed in DE, AT and CH, what it costs and how to protect yourself from fraud.
- Buying & saving · · 11 min readBitcoin-Only App or Crypto Exchange: Which Suits You?Bitcoin-only app or crypto exchange? Costs, custody, regulation and distraction compared, with a worked example in EUR and CHF. How to choose well.
- Buying & saving · · 13 min readBuying Peer-to-Peer: Bisq, HodlHodl & Co.Buying bitcoin P2P with Bisq, HodlHodl, RoboSats and Peach: how the platforms secure a trade, a trade step by step, premiums and risks.
- Security & custody · · 13 min readThe Bitcoin Passphrase (25th Word) ExplainedBitcoin passphrase explained: how the 25th word protects your seed phrase, when it is worth it, how to back it up and which typo costs you everything.
- Basics · · 12 min readHow Does a Bitcoin Transaction Work? Inputs, Outputs and ChangeBitcoin transactions explained simply: inputs, outputs and change, how the fee arises, what happens in the mempool and why 6 confirmations are the rule.
- Mining & technology · · 14 min readUnderstanding Bitcoin Transaction Fees and the Mempool: How Not to OverpayBitcoin transaction fees explained simply: how the mempool works, what a transaction costs today and how to save on fees. With examples.
- Security & custody · · 12 min readColdcard vs. Trezor vs. Bitbox02Coldcard, Trezor or BitBox02? Makers, secure element, air gap, multisig, passphrase, ease of use and prices of the three devices compared head to head.
- Security & custody · · 14 min readHardware Wallets Compared: Which One Fits Your Bitcoin?Hardware wallet comparison 2026: BitBox, Trezor, Coldcard, Jade, Passport and Ledger with prices in euros and francs. Find the device that fits you.
- Mining & technology · · 15 min readThe Lightning Network Explained: Pay With Bitcoin in SecondsThe Lightning Network explained simply: how channels work, what a payment costs, which wallet fits and where the limits are. With a worked example.
- Law, taxes & practice · · 13 min readMiCA and Bitcoin: What EU Regulation Means for You as a HolderMiCA and bitcoin: what the EU rules change for exchanges, custody and your own wallet, what stays free and how to recognise an authorised provider.
- Mining & technology · · 14 min readQuantum Computers and Bitcoin: How Big Is the Threat?Quantum computers and Bitcoin: which coins are really at risk, how far the technology is, what developers plan and what you can do today.
- Security & custody · · 13 min readStoring Your Seed Phrase Safely: Metal Backups and MistakesStore your seed phrase safely: which metal survives fire and water, how many copies you need, where to keep them and which mistakes cost bitcoin.
- Security & custody · · 14 min readSIM Swapping and How to Protect YourselfSIM swapping explained: how scammers take over your phone number, why bitcoin holders are targets and how authenticator apps and security keys protect you.
- Security & custody · · 12 min readSocial Engineering: The Biggest Threat to HoldersSocial engineering and Bitcoin: how attackers use fake support, phone calls and trust to make you send, and the three rules that protect you.
- Buying & saving · · 16 min readHow to Buy Bitcoin: The Complete Guide for DACHHow to buy bitcoin in Germany, Austria and Switzerland: providers, real costs, savings plans, withdrawal to your wallet and taxes, step by step.
- Security & custody · · 15 min readStoring Bitcoin Safely: The Complete Custody GuideStoring bitcoin safely: exchange, wallet app, hardware wallet or multisig? Which level suits your amount, how to back up your seed, mistakes to avoid.
- Buying & saving · · 13 min readBitcoin Savings Plans: Providers ComparedBitcoin savings plans compared for DE, AT and CH: fees, spread, minimum amount and withdrawal to your own wallet at 10 providers. Find your plan.
- Security & custody · · 13 min readHow to Set Up a Bitcoin Wallet: Your First Wallet Step by StepSet up a bitcoin wallet in 8 steps: choose the right wallet, write down your seed safely, test the backup and receive your first bitcoin from an exchange.
- Security & custody · · 11 min readCrypto Exchange Bankrupt: Lessons from Mt. Gox to FTXCrypto exchange bankrupt: what happened at Mt. Gox, Bitfinex, Quadriga, Celsius and FTX, what customers got back and how to protect your bitcoin.
- Security & custody · · 13 min readMultisig Wallet: More Security Through Several KeysMultisig wallet explained simply: how 2 of 3 keys protect your bitcoin, what you need to back up, what it costs and when it is worth it.