The BitBox02 is a hardware wallet produced by Shift Crypto AG in Switzerland. It is available in two editions that share the same hardware but run different firmware.
The Bitcoin-only edition exclusively supports Bitcoin. The Multi edition supports Bitcoin (BTC), Ethereum (ETH) with ERC20 tokens, Cardano (ADA), Litecoin (LTC), and 1500+ additional tokens. The Multi edition also includes FIDO U2F support for use as a second-factor authentication key with services such as email providers, crypto exchanges, and other FIDO-compatible platforms. The Bitcoin-only edition does not include U2F. These two editions cannot be converted after purchase.
The display is a 128 x 64 px white OLED. Navigation uses capacitive touch sensors with three gestures: tap to select, slide to verify addresses, and hold to confirm. The body material is polycarbonate. The device measures 54.5 x 25.4 x 9.6 mm including the USB-C plug and weighs 12 grams.
The secure chip is the ATECC608B, which includes a true random number generator (NIST SP 800-90A/B/C). The microcontroller is an ATSAMD51J20A running at 120 MHz. Firmware is fully open-source with deterministic builds. An independent external security audit has been performed. The microcontroller and secure chip are covered with security-grade epoxy. The two casing halves are bonded with adhesive that causes visible physical damage if separated.
Backup uses the included microSD card. The 24-word BIP-39 seed can optionally be displayed on screen for manual paper backup. An optional BIP-39 passphrase is supported.
The device connects via USB-C. A USB-C to USB-A adapter and extension cable are included. The BitBox02 does not work with iPhone or iPad. Compatible with Windows 10 and later, macOS 12 and later, Linux (x86_64), and Android. The companion app is the BitBoxApp. Third-party wallet support includes Electrum, Specter, Sparrow, and MyEtherWallet.
In the box: BitBox02 (Bitcoin-only or Multi edition), microSD card, USB-C to USB-A adapter, USB-C extension cable, rubber pulls, labeling stickers. Manufactured in Switzerland. 2-year warranty.
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