Keycard Shell
Non-upgradable EAL6+ secure element. Air-gapped by design. Works with Safe, MetaMask, Rabby, Sparrow and 15+ more. Never sign an important transaction blindly again. Trusted by the founders of Safe, Dappnode and Cyfrin.
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.
With the use of a very common replaceable Nokia BL-4C battery.
18+ hoursWorks out of the box with your favourite Ethereum wallets.
Verify the correctness of transaction data on the secure device.
2 inchesSend transactions through the air via QR code standard ERC-4527.
ERC-4527Use multiple cards as backups, each protected by a unique PIN.
2 Keycards includedWorks out of the box with your favourite Bitcoin wallets.
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
