Long-form Bitcoin guides, hardware wallet reviews, and reference material. Primary sources only.
Five flagship Bitcoin hardware wallets, picked apart. Open source vs closed firmware, Bitcoin-only vs multi-asset, air-gapped vs USB. Verified 2026 prices.
Step-by-step: pick a reputable exchange, buy Bitcoin, then move it to a hardware wallet you actually control.
Home mining vs industrial. Electricity costs, ASIC selection, halving math, and where the money actually is in 2026.
Honest survey of Lightning wallets, nodes, liquidity, and what's still broken. Phoenix, Zeus, Mutiny, plus self-hosted options.
IBIT, FBTC, ARKB, BITB, GBTC compared. AUM, fees, who custodies the underlying BTC, and why ETFs aren't quite the same as Bitcoin.
The verifiable record on Satoshi: the writing, the coding, the 1.1 million BTC wallet that hasn't moved, and the candidates worth taking seriously.
OpSec by threat model: phishing, SIM swaps, the $5 wrench attack, supply-chain risk. Defend the right things, not all things.
The mempool, fee rates, RBF, CPFP, and the practical workflow for paying $0.30 instead of $30 for the same transaction.
Mempool.space, Blockstream, BTCScan, and self-hosted options compared. Privacy, depth, and which explorer for which job.
What a halving actually is, the schedule through 2140, what happens to miners, and what the historical price reaction has and hasn't told us.
More articles coming weekly. Subscribe via RSS.