Backup your crypto keys on stainless steel

  • Waterproof
  • Fireproof
  • Corrosion resistant
  • Hacker-proof

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Video tutorial

Check out the video tutorial to learn how to etch your secret keys into steel using the ingredients provided in the CRYPTOETCH Kit.

What’s included

  • Varnished credit card sized metal plate
  • Engraving tip
  • 2 cables
  • 2 batteries
  • 50ml salt water solution
  • 50ml acetone

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Frequently Asked Questions


Stop storing your seed recovery phrases on paper. Start storing your keys on steel to protect them against fire and water. The CRYPTOETCH Kit supplies all the ingredients you need to etch your sensitive data into steel.

Etching is the process of using acid to cut into unprotected parts of a metal surface to create individual designs. Since the Middle Ages, goldsmiths, metal-workers and artists applied etching in order to decorate metal items such as guns, cups or plates.

In etching, the metal plate is covered with an acid resistant material such as varnish. The lines to be etched are cut into the varnish by means of an engraving tip, revealing the plate underneath. The plate is then exposed to acid that “bites” into the unprotected metal leaving behind lines sunk into the plate.

Instead of dealing with potentially dangerous acids directly, the CRYPTOETCH Kit provides you with harmless ingredients including salt water solution and a battery to “burn” your letters into the metal by way of a chemical reaction.


The CRYPTOETCH Kit is the cheapest solution to immortalize your wallet recovery phrases on steel. Everything you need is included in the package. No additional equipment is required.

How many keys can I store on one plate ?

Did you know that it is sufficient to store only the first four letters of each word (three letters for three letter words) in a seed recovery phrase? This allows you to store up to 4 x 24 word seed recovery phrases on one metal plate (two on each side). This is significantly more than competitive offerings at a fraction of the price. Choose wisely ;-)

How much does it cost ?

The CRYPTOETCH Kit costs only CHF 35 (+CHF 10 shipping) and allows you to store up to 4 x 24 seed recovery phrases. This offer is unrivalled.

Get started right away! Get the cheapest solution on the market NOW!

Can I pay in crypto ?

Yes, please get in touch with us via email by using the form below. If you decide to pay us in fiat, we will convert most of it back into crypto. This is our contribution to building the crypto economy.

Where do I enter my shipping address ?

Stripe checkout does not yet support shipping addresses. Stripe should allow to enter a different shipping address in the near future. In the meantime, please use the billing address fields in the Stripe checkout window instead.

Do you ship outside of Switzerland ?

Yes, we do. However, legal provisions may restrict the shipping of acetone which is classified as hazardous good. In that case you will just receive an empty bottle.

Please note that you don’t need acetone to etch your letters into metal. The acetone is only used to remove the varnish after the etching process. You can use nail varnish remover instead which is available in any drug store.

Can I order additional plates ?

At the moment you can only order the full CRYPTOETCH Kit. Please send us an email if you want to order additional plates.

What is a seed recovery phrase ?

When you generate a crypto wallet, you are typically asked to write down a list of 12 or 24 words, also known as the seed recovery phrase. In case your hardware wallet device gets stolen or becomes unusable, this list of words allows you to re-gain access to your cryptocurrency.

The words used in the seed recovery phrase are selected from a list of 2048 English words. The list has the feature that each word can be uniquely identified by its first four letters. As a result, instead of backing up each word as a whole, it is sufficient to back up the first four letters only (three letters for three letter words).

How can I protect myself against loss or theft ?

Backing up your seed recovery phrases on metal will protect you against fire and water but not against loss or theft. To protect your crypto funds in case of loss or theft you should encrypt your keys using the technique that we describe in one of our publications:

The fact that you can protect your assets even in the case of loss or theft by means of simple encryption is just another example why digital assets are superior to physical assets like gold or silver.

What else can I use it for ?

Looking for a very special marriage proposal idea? Immortalize your proposal on steel. She will love it!


Share with us your questions, opinions and experiences with the CRYPTOETCH Kit and help us to improve our offering.

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