Seed Phrases Explained: How to Store Your Recovery Phrase Safely
When you set up a self-custody wallet, it gives you a list of 12 or 24 random words — your seed phrase (also called a recovery phrase). Those words are the single most important thing in your entire crypto life. Whoever has them controls the funds. Here’s how to protect them properly.
Key takeaways
- Your seed phrase is your crypto — anyone with it can take everything, and losing it means losing access forever.
- Write it on paper or metal and store it offline. Never digital, never in the cloud.
- Never type it into a website or app, and never share it with anyone — including "support".
Why the seed phrase matters more than any password
With a bank, a forgotten password is a minor inconvenience — you reset it. Crypto self-custody has no reset. The seed phrase is a human-readable version of the master key to your wallet. It can regenerate your entire wallet on any device. That’s wonderfully powerful (you can recover from a lost or broken device) and unforgiving (if someone else gets it, they can drain you instantly).
How to store it safely
- Write it on paper — by hand, exactly in order. For meaningful amounts, upgrade to a metal backup plate that survives fire and water.
- Keep it offline. The whole point is that it never touches an internet-connected device.
- Store copies in separate secure places — e.g. a home safe and a second trusted location — so a single fire, flood or theft can’t wipe you out.
- Consider a passphrase. Advanced users add an optional extra word (a "25th word") for a hidden wallet — powerful, but only if you’ll never forget it.
What never to do
- Never take a photo or screenshot of it — phones auto-sync to the cloud.
- Never save it in a notes app, email, password manager, or Google Doc.
- Never type it into a website or app. The only place you ever enter it is directly into your own wallet device when recovering.
- Never share it with anyone. No legitimate exchange, wallet or "support agent" will ever ask for it. Anyone who does is a scammer — see our guide on avoiding crypto scams.
This is why hardware wallets exist
A hardware wallet generates your seed phrase offline and keeps the keys inside the device, so they’re never exposed to your (potentially infected) computer. You still write down the phrase as a backup, but day-to-day the device does the signing. Combine a hardware wallet with a well-stored seed phrase and you’ve covered the two biggest risks in crypto: online theft and losing access.
Frequently asked questions
What happens if I lose my seed phrase?
If you lose your seed phrase and also lose access to your wallet/device, your crypto is gone — there is no "forgot password" and no company that can recover it. That’s why a durable, secure backup of the phrase is the most important thing you do.
Should I store my seed phrase digitally?
No. Never store your recovery phrase as a photo, screenshot, note, email or cloud document. Anything digital and internet-connected can be hacked or synced. Write it on paper (or stamp it into metal) and store it offline.
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.