Lessons from FTX: Why Self-Custody Matters
In November 2022, FTX — one of the largest crypto exchanges in the world, backed by celebrities and household-name investors — collapsed almost overnight. Customers who thought their funds were safe suddenly could not withdraw them. It remains the clearest lesson crypto has ever handed us, and it comes down to three words.
Key takeaways
- FTX looked huge and trustworthy, yet customer funds were not safe — because customers did not hold their own keys.
- "Not your keys, not your coins" is not a slogan; it is the whole lesson.
- Keep only what you are actively using on any exchange, and self-custody the rest.
What happened, briefly
FTX grew explosively and was widely regarded as a safe, professional exchange. In late 2022 it emerged that customer deposits had been improperly used, the company could not meet withdrawals, and it filed for bankruptcy. Its founder was later convicted of fraud. Millions of users were locked out of their own money, and some Australian users were caught indirectly too, as a local exchange with FTX exposure had to pause withdrawals.
The real lesson
The uncomfortable truth is that when your crypto sits on an exchange, you do not actually hold it — the exchange does, and you hold an IOU. If that company is dishonest or insolvent, your balance can vanish no matter how legitimate the app looked. This is custodial risk, and no logo, celebrity endorsement or slick interface removes it.
Crypto's founding promise was to let people hold money without trusting an institution. FTX was a spectacular reminder of what happens when you hand that control back to one.
What to actually do about it
- Self-custody your long-term holdings. Move the crypto you are not actively trading into a wallet you control. A hardware wallet is the gold standard; even a reputable software wallet is a big improvement over leaving everything on an exchange.
- Keep only "working capital" on exchanges. Treat an exchange like a checking account, not a vault — only what you need for active trading.
- Prefer regulated, transparent exchanges. Some now publish proof-of-reserves. It is not a guarantee, but transparency beats blind trust — see how we screen platforms in our best exchanges guide.
- Spread risk. Do not keep everything in one place, custodial or otherwise.
The silver lining
FTX pushed a lot of people to finally learn self-custody — and that is genuinely healthy for crypto. The tools to hold your own keys are cheap, mature and easy to use. If FTX teaches you one habit, let it be this: get your long-term crypto off exchanges and into your own hands. Start with our guide to hot vs cold wallets.
Frequently asked questions
Is my crypto safe on an exchange?
It is convenient, but an exchange holds your crypto for you — so its safety depends entirely on that company's honesty and solvency. Reputable, regulated exchanges are generally fine for amounts you are actively using, but the FTX collapse showed that even a huge, trusted-looking exchange can fail. Keep long-term holdings in self-custody.
What does self-custody mean?
Self-custody means holding your own private keys — usually in a hardware or software wallet — rather than leaving your crypto on an exchange. It removes the middleman: no company can freeze, lose or misuse funds you control yourself.
Related reading
This article is general information for Australian and global crypto users, not financial, tax or legal advice. Crypto is volatile and you can lose money. Always do your own research and, where relevant, speak to a licensed adviser or registered tax agent. We may earn a commission from some links, at no cost to you — it never changes what we recommend.