Most people write their seed phrase on a piece of paper. Then they fold it, put it in a drawer, and hope for the best. Paper burns. Paper floods. Paper fades. One house fire and your entire crypto portfolio is gone forever.
There’s a better way — and it costs less than $10 at your local hardware store.
Why Metal Beats Paper Every Time
Metal withstands fire, water, and time. A simple steel washer stamped with your seed phrase words will survive conditions that would destroy any paper backup. This isn’t a premium product. It’s a $0.10 washer and a $5 metal stamp set. That’s it.
I personally use this method. The photos you see in this post are my own discs — small steel washers I bought at a hardware supply store, stamped with each word of my seed phrase. One word per disc. Simple, durable, and completely offline.
What You’ll Need
You’ll need a set of small metal washers (steel, not aluminum — steel is harder and more durable), a metal letter stamp set, a hammer, and a hard flat surface like an anvil block or a thick piece of steel. Total cost: under $15 for everything.
Step-by-Step: How to Do It
Step 1 — Prepare Your Workspace
Work on a solid, stable surface. A concrete floor or a steel block works well. Noise will be a factor — your neighbors will hear you. Pick the right time.
Step 2 — Number Your Washers
Your seed phrase has either 12 or 24 words. Number each washer on one side (1, 2, 3…) so you always know the correct order. Order is everything — the wrong sequence means a completely different wallet.
Step 3 — Stamp Each Word
Stamp the corresponding seed word on the other side of each washer. Press firmly and strike the stamp cleanly with your hammer. Practice on a spare washer first to get the feel of it.
Step 4 — Verify Before You Store
Before storing, read back every single word in order and verify it matches your original seed phrase exactly. One wrong letter and you cannot recover your wallet.
Step 5 — Store in Multiple Secure Locations
Never keep all your discs in one place. Separate them across two or three secure locations — a home safe, a trusted family member’s home, a bank safety deposit box. Anyone who finds the complete set has full access to your wallet.
The Bottom Line
You don’t need to spend $100 on a branded metal seed storage product. A bag of steel washers and a stamp set from the hardware store will do the same job. What matters is that you actually do it — today, before something happens.
Your paper backup is a ticking clock. Metal is forever.
— Lior H