Keycard — Modular, Open-Source Crypto Hardware
Keycard Shell - Modular, Air-Gapped Hardware Wallet
keycard shell
One secure device,
infinite backups
Unrivalled security with an infinite number of removable Keycards, each with their own key.
Coming 2025 Bundled with Keycard
keycard
Lightweight design
heavyweight security
Trade swiftly and safely back up your assets with Keycard hardware wallets.
From €25
Join the open source revolution of the most modular and future proof hardware wallet system ever conceived.
Best-in-class security
Keycard secure element has the highest level of certification provided by Common Criteria.
Fully open source
Open-source code on an open framework, making it the most open way to design a secure element.
View on GitHub
Airgapped
Through Keycard Shell’s camera or Keycard’s contactless nature, our products can be airgapped.
Made to last
Your keycard has a life expectancy of 25+ years, resists water and dust. It will still securely store your keys.
Easy to backup
Securely store your private key on multiple cards. Encrypted, instead of the typical piece of paper.
Discreet
With its light, small and discreet form factor your Keycard can go unnoticed in your wallet.
Going one step further.
Frequently asked questions
Still have questions?
Reach out to our team or engage with our community on Discord or X.
keycard
A card shaped
hardware wallet
Store and trade your crypto in a simple, secure and slim hardware wallet.
From €25
keycard shell
One device for all
your Keycards
Unrivalled security with an infinite number of removable Keycards, each with their own key.
Coming 2025 · Bundled with Keycard