Long-form Bitcoin guides, hardware wallet reviews, and reference material. Primary sources only.
What Taproot changed, how key-path and script-path spending differ, and what our own count of three full blocks says about how much anyone actually uses it.
How inscriptions actually work, why Taproot made them possible, what they did to fees, and the real technical case on both sides of the spam argument.
What counts as a Bitcoin layer 2 and what does not. Lightning and Liquid have very different trust models, and most roadmap items have not shipped at all.
What CoinJoin actually hides, what it never hid, and which privacy tools still run in 2026 after the coordinator shutdowns. Checked at primary sources.
Gold's above-ground stock is worth 22 times Bitcoin's market cap. Supply, verification, custody, volatility and US tax treatment, with dated numbers.
Who signs, what breaks when they leave, what a qualified custodian actually is under SEC rules, and how ASU 2023-08 changed the accounting from 2025.
A VPN hides your connection, not your coins. Mullvad, Proton VPN, IVPN and NordVPN compared on jurisdiction, audits, crypto payment and DNS, with sources.
How to set up a 2-of-3 Bitcoin multisig wallet: picking a quorum, the descriptor that actually loses coins, PSBT signing, and when not to bother at all.
What a Bitcoin node really enforces, measured disk and bandwidth numbers for 2026, what pruning costs you, and whether to build one or buy a prebuilt box.
How the IRS treats Bitcoin: which events are taxable, the 2025 wallet-by-wallet basis rule, Form 1099-DA timing, and what tax software actually has to handle.
Why a seed phrase must never go in a will, what a will can safely hold, how multisig and timelocks work for heirs, and what happens to cost basis at death.
Hardware wallets, air-gapped signers, multisig, steel seed backups and Shamir shares compared on cost, failure modes and what actually loses coins.
Bitcoin scams sorted by what the attacker wants: your seed phrase, your own send, your signature, or a badly protected key. With FBI figures and real defences.
What custody actually means, what a bankruptcy court ruled about customer deposits, and the five rungs between an exchange and holding your own keys.
Why Bitcoin addresses start with 1, 3, bc1q or bc1p, what each format costs in fees, and which one your wallet should use. With verified BIP references.
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.
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