The encrypted vault for your wallet

Your rarest secrets, in your wallet instead of another app

No new account, no new subscription, no new app to trust with your data. Just a card in your wallet with your rare-use secrets encrypted on it.

Meet the encrypted vault for your wallet

€49,00 for 3 cards. One-time purchase, no account.

A woman in a café holding up her MI8OS Card

Another app account isn’t the answer

Every new service asks for an email, a password and your trust. For a handful of rarely used secrets, that’s a lot.

MI8OS has no account and no server. The app encrypts your vault on your phone, and the card holds the only copies, which you place yourself.

Simple by design

  • No account, no serverYou create, write and open your vault entirely on your phone.

  • No subscriptionOne purchase. The cards keep working without a plan.

  • Fits in your walletBank card size, with no name or number on it.

How it works

Write it once. Open it with a tap.

  1. 01

    Add your secrets

    Passwords, recovery phrases and private notes.

  2. 02

    Choose a Vault Password

    Only you know it. MI8OS never keeps a copy.

  3. 03

    Encrypted on your phone

    Before anything reaches the card.

  4. 04

    Tap your card

    Hold it to your phone and the vault is saved.

Who can open it

A found card is not enough

  • Your MI8OS Card
  • The MI8OS app on an NFC phone
  • Your Vault Password

Opening the vault takes all three. Nobody can recover a forgotten Vault Password, not even MI8OS.

MI8OS Card gen 2

3-card set

€49,00

In stock

Ships from Switzerland Europe: 3–7 business days Worldwide: 7–14 business days

30-day returns money back guarantee Secure checkout

  • End-to-end encrypted
  • No subscription
  • One-time purchase
Your legal guarantee rights

FAQ

Before you buy

Someone finds a card I lost.

They have an unlabelled card containing encrypted data. There is nothing on it that identifies you or the vault.

I lose my phone.

Install MI8OS on another compatible phone, tap any card and enter the vault password to restore access.

I forget my vault password.

The vault cannot be reset or recovered. There is no reset option, recovery code or hidden way around the password.

MI8OS as a company disappears.

Your cards do not depend on an account or MI8OS server to hold their data.

Does the card need charging?

No. It has no battery and is powered by your phone during a tap.

Which phones work?

An iPhone or Android phone with the MI8OS app and a working contactless reader.

Keep your secrets
where you can hold them.