What Is Self-Custody?
Self-custody means holding the keys to your crypto yourself, in a wallet you control, instead of leaving coins in an exchange's account system. The slogan version is not your keys, not your coins. The practical version: custody is a choice between counterparty risk and personal responsibility, and pretending you have not chosen is choosing the exchange.
What It Actually Protects Against
- Platform failure. Exchange bankruptcies, from Mt. Gox to FTX, turned customers into unsecured creditors waiting years for cents on the dollar; my insurance guide explains why no federal fund steps in. Self-custodied coins do not appear in anyone's bankruptcy.
- Freezes and lockouts. Accounts get frozen by compliance triggers, hacks, or error. Keys do not have a support-ticket queue.
- Rehypothecation. Coins in your wallet are provably not being lent to anyone.
What It Demands of You
- Guarding a seed phrase against loss, fire, theft, and your own cleverness. No reset button exists in either direction.
- Signing hygiene: phishing, approvals, and drainers replace the exchange as your main threat.
- An inheritance plan, because keys nobody else can find are keys nobody else can inherit.
Starting Sanely
- Begin small: a hot wallet with pocket money until sending and receiving feels boring.
- Graduate meaningful savings to a hardware wallet, test recovery before it matters, and split roles: spending wallet for activity, untouched vault for storage.
- The full checklist, including backup materials and the family question, is my Wallet Security and Self-Custody page, and walking people through exactly this is half of what I do: About.
When It Matters
Any balance you intend to keep. Trading float on exchanges is a reasonable convenience; life savings on them is an unpriced loan to a company you have never audited.
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