
Not your keys, not your coins: where the phrase came from and why it keeps coming true
Origin and meaning of the most-repeated and most-ignored sentence in crypto, with Mt. Gox, Celsius, and FTX case studies, and when ignoring it is rational.
A six-part guide to the hardest part of crypto: actually owning your keys. Why self-custody matters, what it costs you in responsibility, the failure modes that drive people to it, and how to do it without forcing yourself into cold storage.
6 parts

Origin and meaning of the most-repeated and most-ignored sentence in crypto, with Mt. Gox, Celsius, and FTX case studies, and when ignoring it is rational.

What custodial vs. non-custodial actually means, the 12-word test that tells them apart, the wallets that pretend to be one and aren't.

Insolvency, hacks, freezes, exit scams, sanctions, KYC locks, withdrawal halts — the seven ways your funds can leave a custodial exchange.

Backups, opsec, device management, recovery planning, time and attention — the five-category bill self-custody puts on you, no marketing softening.

Self-custody isn't a single setup. The right point on the spectrum is warm storage — a multisig you actually use — not air-gapped cold storage.

Eight ordered steps to set up SSP 2-of-2, write down both seeds, test recovery, and move your first $1,000 off the exchange in one afternoon.