Cardware Wallet
A tamper-proof, air-gapped super simple hardware wallet for your bitcoin keys. Designed for simple & secure, private long-term storage: no batteries, no complexity. It costs a fraction of a Foundation Passport Prime. BTC Only Support via PSBTs 100% Air-gapped & Offline USB-C Powered (Cable Included) Web Wallet Accessible High Entropy Private Key Generation Microcontroller Read/Write Protection 1 Year Warranty Included
About this product
Cardware BTC is a secure and affordable hardware wallet dedicated to storing and managing Bitcoin. By leveraging advanced QR code technology to transfer transaction data, private keys remain completely offline, significantly reducing the risk of cyber threats.
During setup, users generate their private keys with true entropy via dice rolls (with a D20 die included in every box) or through video streaming, ensuring truly random key creation. Powered by USB-C solely for power, with the data lines visibly disconnected, Cardware BTC offers effortless offline signing from mobile devices, desktops, or even a simple charging port.
Built for both individual enthusiasts and larger institutions, Cardware BTC seamlessly integrates with web-based platforms, is accessible through any browser, and delivers a streamlined highly secure approach to Bitcoin management.
What you get
-
1x Cardware Wallet – Bitcoin-only edition
-
Durable NFC smart card (credit-card size)
-
USB-C cable, for power only
-
D20 die, for generating your key by dice roll
-
Tamper-evident, sealed packaging
-
Shipped discreetly from Belgium
-
Verified compatibility with: SeedSigner, Nunchuk, Specter, Sparrow & more
Who it’s for:
-
Bitcoiners who want an offline backup
-
Multi-sig or inheritance planners
-
Users of SeedSigner, taproot scripts, or PSBT workflows
-
Those who value privacy and simplicity
Why it matters:
-
Air-gapped, with no connection, no battery and no tracking
-
Built for Bitcoin-only use, no altcoin distractions
-
Helps you stay sovereign, without compromise