Passport Bitcoin Hardware Wallet
Passport is designed to be minimalistic and elegant, offering a simple industrial design that needs no instruction manual. Important elements like the camera and microSD slot are intentionally highlighted within a band of copper.
Passport uses a system of magnets to hold the back cover in place, enabling easy access to the batteries and an opportunity for personalization. Simply pull off the back cover to change the batteries or swap it with a different colored cover.
Passport is crafted from soft-touch plastic, steel, and copper-plated zinc alloy. This ensures that it is both strong and a pleasure to hold. Copper plating gives Passport a premium feel and zinc alloy makes Passport the perfect weight.
Bitcoin already has a steep learning curve – why should your hardware wallet? Passport’s larger screen and familiar menus offer a refreshingly simple user experience. You already know how to use a Passport. No need to learn how to enter your PIN with only two buttons or scroll forever on a tiny screen.
Secure Text Entry
Entering PIN numbers and even complex passphrases is easy with Passport’s keypad. As opposed to touchscreens, the physical keypad provides transparent security while offering a simple text entry experience. Dedicated keys enable quick switching between numbers, letters, and symbols.
QR codes allow for airgapped Bitcoin transactions in seconds on your computer or smartphone – avoiding the need to pass around a microSD card, plug into a computer, or use insecure wireless communications like Bluetooth. Passport uses the PSBT (partially signed Bitcoin transaction) standard and is compatible with most popular single-sig and multisig wallets.
The best security is through openness, not secrecy. Passport is proudly open source – all software, electrical, and mechanical components are open and auditable. There is no hidden code or restricted information. You can even build a Passport yourself, from scratch!
Our hardware is open sourced via CERN’s Open Hardware License and our firmware via GPL. This means that Passport meets the legal definition for open source hardware. You can view the electronics here and firmware here. Mechanical designs will be posted soon.
Passport has no USB ports or wireless communications. To transact, simply scan a QR code or insert a microSD card. This more robust security model ensures that you know exactly what information is being received by Passport – and makes it significantly more difficult for potential attackers to communicate with the device.
Most displays contain embedded processors running unknown firmware, which could collect data or display false information. Passport’s tamper-evident display’s circuitry is directly etched into glass, allowing us to easily inspect each screen at production.
Most touchscreens contain embedded processors running unknown firmware, which could record user inputs or hijack the device. Passport uses a physical keypad, which is verifiably secure and easy to inspect at production.
Passport contains LEDs directly wired to the security chip that change from blue to red if tampering is detected. Any changes to device firmware or key circuit board components will trigger a red LED. This helps protect Passport against “evil maid” attacks.
Lithium ion batteries are not recommended for long-term storage. Most also contain embedded processors running unknown firmware, which could help attackers exploit power-related vulnerabilities. Passport instead uses AAA batteries.
Details and Specs
- Supported Cryptocurrencies Bitcoin via PSBTs; multisig compatible.
- Supported Software Wallets Bitcoin Core, Electrum, Wasabi, BlueWallet, BTCPay, Specter, and any other wallet supporting PSBTs via microSD or QR codes.
- Key Components 1.8″ Sharp Memory LCD, STM processor, Microchip 608a secure element, Omnivision Cameracube.
- Communication Camera and microSD port. No USB, no Bluetooth, no other ports or wireless communications of any kind.
- Power 2x standard AAA batteries (included with purchase).
- Security Features Airgapped, easy passphrase entry, security lights, anti-phishing words, supply chain verification.