Coinplate Alpha

The Ultimate Seed Phrase Storage

Secure your seed phrase with our best seed backup

  • 100% Stainless Steel
  • Innovative, easy to use layout
  • Designed to last decades
No extra tools needed, everything is included
Coinplate Alpha seed phrase storage hero image
Coinplate Alpha stress test results

Top rated in Jameson Lopp's extreme stress tests

Heat test with 2000°F / 1093°C blow torch, Corrosion test - 12h in acid, Crush test with 20 ton hydraulic press - See the results

Coinplate seed phrase backup

What is Coinplate?

Why do I need one?
Coinplates are a range of metal backup tools for secure seed phrase storage. With Coinplate you can sleep well at night knowing that your crypto holdings are safe, regardless of what the future brings. You shouldn't trust paper with your valuable seed phrase, use stainless steel instead.

Mark your seed phrase in metal yourself, at home and safe from hackers. Make it super easy with Coinplate Alpha and its innovative easy-to-read layout and automatic marking tool.

Coinplate stainless steel crypto wallets will survive a lot. You can easily trust this 3/8” (10mm) thick stainless steel sandwich to protect your data from all possible accidents and disasters.
Coinplate backups can survive almost anything you can encounter like a house fire or collapse, floods, acids, rust and impact while being perfectly readable even in 20 years.

Coinplate is easily the best solution for long-term seed phrase storage. See our products.


Extra security

Your data stays hidden inside a steel sandwich, not visible at the first glance

Easy to hide

Easy to hide

Simple look makes it easy to hide in plain sight.
The logo on the front is just a sticker you can remove easily.

Tamper evident

Tamper evident

Use included tamper-evident seals to be sure no one has seen your precious data when you weren't looking.

Ultra durable

Ultra durable

Thick stainless steel sandwich for extreme durability.
Fireproof up to 1.400°C/2.500°F. Waterproof, EMP & X-ray proof

Our Customers love us!

We've shipped Coinplates to over 40 countries worldwide!

Coinplate in fire frame - fireproof

Designed to survive the worst​

All Coinplates are 100% made of superior grade German Stainless Steel (AISI 304 | DIN1.4301 ) which guarantees that it’s water and corrosion resistant. This type of stainless steel is known for its excellent resistance.

It is also fireproof up to temperature around 1.400°C/2.500°F, while house fires reach up to 850°C/1.500°F. You can be safe with Coinplate.

Coinplate Alpha strong build

Built like a tank​

All Coinplates are made of ultra thick stainless steel plates joined with stainless bolts. Each steel plate is 5mm | 3/16" thick, forming together a steel sandwich to protect your seed phrase. Coinplate weighs 1.1kg | 2.5lb. 

Layout and lettering are deep engraved in steel. This guarantees seed phrase visibility even after the worst accidents or disasters.





Corrosion & rust resistant

Corrosion & rust

Pressure & impact resistant

Pressure & impact

Coinplate compatible wallets

BIP39 Compatible​

Coinplates are compatible with all BIP39 wallets and work well with SLIP39
Store up to 24 seed words to secure your recovery phrase

Compatible with hardware wallets like Ledger Nano, Ledger X, Trezor, Keepkey, Keystone and more...
Also compatible with software wallets like Metamask, MyEtherWallet and others.

How it works

With Coinplate Alpha you can create a metal backup of your seed phrase in 10 minutes, 
without special tools or equipment

Coinplate is pocket sized metal device for secure storage of data. It’s a stainless steel sandwich made from two thick plates. Your data is protected from elements and damage inside this armor.

Coinplate is held together by strong, stainless bolts. Plates can be tightened leaving no gap for water or corrosive agents to enter. This special design keeps your precious seed phrase safe and sound.

Use Coinplate Alpha for the easiest backup process or get Coinplate Punch to stamp your seed with a hammer or use an electric engraver. Bundles available.

Coinplate Alpha:

Mark your seed phrase at your own home using easy to use automatic punch tool (included) 

Each side of Coinplate Alpha has dedicated letter and word spaces deeply engraved in metal.  This innovative layout makes it easy to read and use.

Using included automatic marking tool, mark your seed words, letter by letter. You only need to press it down on the right spaces – the tool will spring back and make a deep dent in the metal.

Thanks to BIP39 seed phrase design, you only need to mark down the first four letters of each word. 

We also include a marker pen so you can test-mark it beforehand and make sure it’s error-free.

Coinplate no permanent branding

No permanent branding​

You can easily remove all branding and logos. The logo on the front is just a sticker. This way you can hide your Coinplate in plain sight.

Coinplate flat design

Flat design​

Coinplate steel wallets have a flat design, making them easier to store and hide. No protruding elements.

Coinplate mounting holes

Mounting holes​

Use an extra pair of holes to fix your Coinplate steel wallet anywhere. Inside a cabinet, under a floor, behind a drywall - you name it!

Choose your Coinplate seed backup

Why safe seed phrase storage is important?

Your seed phrase is the most important thing you should keep safe. 

With seed phrase, everyone can access your wallet contents. Also, if you lose your recovery phrase, you can lose all the coins you own.

Keeping your seed phrase on paper is very risky because it is fragile. Read more

Fire risk for seed storage

The seed phrase backup must survive possible accidents like a house fire or water flooding. 

Coinplate stainless steel crypto wallets can survive this and much more.

This is why you should use Coinplate metal crypto wallet for long time seed phrase storage.

Third party, independent reviews

Youtube video review by Chris Bagnell

Review by Crypto101 in Spanish

Review by The Crypto Adviser

Youtube video review by VeVeVersum in German

Need more information? Have questions?

Chat with us using the chat widget at the bottom of the page or write us an e-mail. We’d love to talk with you! 

You can also check our Frequently Asked Questions page

Worldwide delivery
Free Worldwide Shipping

On orders over $100

safe packaging
Safe & Discreet Packaging​

No logos, plain box

30 day refund
30-day returns

No questions asked

safe checkout
Safe Checkout

Pay anyway you like. Crypto or fiat