Keycard
Lightweight design, heavyweight security
The card-shaped hardware wallet with an EAL6+ secure element. No battery, no charging, always ready to sign.
Proudly building in the open
Best-in-class chip
Keycard secure element has the highest level of certification provided by Common Criteria.
Non-extractable keys
The secure element software is non-upgradable and no one will ever change its software to change its behaviour.
Counterfeit protected
Our open-source protocol allows any wallet using the Keycard to check it's genuine and not counterfeited.
Fully open source
Open-source code on an open framework, making it the most open way to design a secure element.
View on GithubSimple by design
No battery
Always ready to tap, your Keycard will never let you down.
Resistant
Resists high (50°) and low (-35°) temperatures, dust and X-rays.
Discreet and light
Carry Keycard in your wallet, no one will notice you hold assets.
Water resistant
Resistant to most everyday spills, give it a wipe and you’re good to go.
Tap. Sign. Done.
Keycard turns your phone into a signing device. No cables, no charging.
Open your wallet app
Use Status on iOS or Android, or any NFC-compatible wallet.
Hold Keycard to your phone
The NFC antenna in the card communicates directly with your phone. No pairing required.
Transaction signed
The card performs all cryptography on its secure element. Your phone never sees your private keys.
No cables. No charging. No Bluetooth. Your Keycard is always ready.
Use your Keycard everywhere
Mobile
Tap your Keycard to sign transactions on iOS and Android. Signing is done on the card; private keys never leave the secure element.
Learn more
Sparrow
Bitcoin wallet with full Keycard support via USB Desktop Reader. PSBT signing, multisig, and coin control.
Learn moreKeycard uses standard ISO 7816 and ISO 14443 protocols. Any app that supports Keycard's open-source API can integrate.
Tough enough for real life
A card you can carry everywhere and forget it's there.
Many use cases, multiple Keycards
Use multiple Keycards to carry a dedicated card for daily signing and keep your most valuable assets safe at home.
Vault
Your most precious tokens in a single card.
Backup vault
Never worry about losing a Keycard.
Everyday assets
Keep high-frequency-use keys separate from long-term holdings.
Frequently asked questions
Yes. Keycard works standalone with NFC-enabled smartphones via the Status app on iOS and Android, or with the USB Desktop Reader on desktop. The Shell is optional and adds air-gapped signing and a dedicated screen.
As many as you want. For instance, one for daily use, one at home, one offsite with a trusted person. At €25 each, the cost of redundancy is trivial compared to what you're securing.
If you have a backup Keycard with the same keys, you can continue using it immediately. If you've lost all copies, your seed phrase is your recovery path.
Both are card-shaped hardware wallets, but the architecture is different. Keycard is fully open-source, uses a JCOP4 EAL6+ secure element, and is designed as part of a modular system with the Shell. Tangem relies on a proprietary companion app. Keycard uses open standards.
Yes. During setup, you can either generate a new seed phrase on the card or import an existing BIP-39 seed phrase.
Your brand, same Keycard
Create a custom Keycard with your design. We support with design, manufacturing and fulfilment of your cards.
Keycard Shell
Multiple Keycards. One device.
Use the same device for all your Keycards. It’s airgapped, stateless and modular.