Keycard Shell
Your keys. Your rules.
The first modular, fully open-source hardware wallet. Stateless by design. Sovereign by mission.
Bundled with 2 Keycards • €135,50 €156,51
Keycard Shell
The first modular, fully open-source hardware wallet. Stateless by design. Sovereign by mission.
Bundled with 2 Keycards • €135,50 €156,51
“Amazing piece of open-source hardware and surprisingly good UX.”
“[...] a unique approach to hardware wallet security with its modular design and open-source architecture.”
“Wow!”
“Impressed by how the project is thought out.”
“Revolution in hardware wallet security.”
“The wallet that doesn't spy on you.”
Use Keycard Shell with the wallets you already trust. Explore the full list to filter by platform and assets.
Keycard is the secure smart card that stores your private keys. You can use it directly with compatible software wallets on mobile (NFC), on desktop (with a USB smart card reader), or together with Keycard Shell as an air-gapped hardware wallet with a secure display.
Keycard Shell is the companion signing device with a screen and keypad. It works with 15+ software wallets (mobile, desktop, and browser extensions) and uses Keycard as the secure element.
When you purchase a Shell, two Keycards are included.
Keycard and Keycard Shell support Ethereum, all EVM-based blockchains, and Bitcoin.
Yes, Keycard can be used without Shell via the Status app or other compatible wallets, over NFC or with a USB smart card reader.
No, Keycard Shell cannot be used without a Keycard.
One Keycard holds one master key and generates as many Ethereum and Bitcoin wallet addresses as you need, according to the BIP32 standard.
Keycard
Store and trade your crypto in a simple, secure and slim hardware wallet.
From €25
Keycard Shell
The most open, modular and future-proof hardware wallet system ever conceived.
Bundled with 2 Keycards • €135,50 €156,51
Keycard builds open-source, air-gapped hardware wallets for self-custody of Bitcoin, Ethereum, and EVM crypto. The modular Keycard and Keycard Shell use a non-upgradable EAL6+ secure element with NFC and QR (ERC-4527) signing, and work with MetaMask, Rabby, Ambire, Sparrow, Nunchuk, Specter, and 15+ wallets.