Bitcoin insights, guides and analysis.
Where your bitcoin sits before you send, what pressing send does, who checks it and where the 0.05 BTC goes. Six beginner questions, one worked example.
An old Coldcard firmware bug let attackers rebuild seeds offline and sweep Bitcoin. What broke, who stayed safe, and how to migrate an affected seed now.
A Raspberry Pi 5, a 2 TB SSD and Bitcoin Core 31.1 make a full node. Storage, power cost at Swiss rates, Tor, a private Electrum server and the backups.
Run a Lightning node at home in 2026: Pi 5 or laptop, Umbrel, StartOS or RaspiBlitz, chain sync, first channel, inbound liquidity, backups, watchtowers.
Cold storage setup for Bitcoin in 2026: hardware selection, seed generation, passphrase decision, test transaction, recovery drill, and steel-plate backup.
Swiss heirs inherit the right to your Bitcoin by law, not the keys. An estate plan needs an Erbvertrag under ZGB Art. 512 and access your heir can use.
Bitcoin wallet recovery in 2026 across 8 loss scenarios, from a forgotten password to missing seed words to an heir holding a device. Find your own path.
btcrecover can still crack a Bitcoin wallet password or find a missing seed word if you recall most of it. The 3rdIteration fork, offline setup, GPU facts.
Self-custody removes the exchange middleman. Hardware wallet plus 20 or 24 word seed plus optional passphrase. The full Swiss-context setup walkthrough.