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BitBox02

BitBox02

Swiss made hardware wallet

The BitBox02 is a Swiss-made hardware wallet available in Bitcoin-only and Multi editions. The Bitcoin-only edition features radically focused firmware for enhanced security, while the Multi edition supports BTC, LTC, ADA, ETH and ERC20 tokens. Both offer automatic backups to microSD card and optional BIP-39 seed display, with the Multi edition also serving as a FIDO-compliant U2F second-factor authenticator.

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BitBox02 hardware wallet front render
BitBox02 hardware wallet angled view
BitBox02 dimensions and design
BitBox02 top-down product view
BitBox02 held in hand
Description

BitBox02 is a Swiss-made hardware wallet that combines state-of-the-art security with an intuitive user experience. Available in two editions — Multi and Bitcoin-only — it offers flexibility for different types of crypto users.

Security & Design

  • Dual Chip Architecture — Features a dedicated secure chip (EAL6+ on the Nova model) alongside the main microcontroller, isolating private key operations from the host computer.
  • Fully Open Source — All firmware and software code is publicly available and independently audited by security researchers.
  • Swiss Engineering — Designed and manufactured in Switzerland, with a minimalist and discreet form factor.

Editions

  • Bitcoin-only Edition — Radically focused firmware dedicated exclusively to Bitcoin (BTC). Less code means a smaller attack surface, providing enhanced security for Bitcoin purists.
  • Multi Edition — Supports Bitcoin (BTC), Litecoin (LTC), Cardano (ADA), Ethereum (ETH), and 1500+ ERC20 tokens including Chainlink and BAT.

Key Features

  • microSD Card Backup — Automatic backup and restore via the included microSD card. Optionally write down the BIP-39 seed phrase on paper.
  • BitBoxApp Ecosystem — The all-in-one companion app for managing assets, available for desktop (Windows, Mac, Linux) and mobile (Android, iOS via Bluetooth on Nova).
  • WalletConnect Support — Connect to any Ethereum dApp, NFT marketplace, or DeFi protocol while keeping your keys safely stored on the device.
  • USB-C Connectivity — Standard USB-C connection with included adapter and extension cable.
  • FIDO U2F Second Factor — The Multi edition can also function as a hardware security key for securing online accounts (Google, Facebook, GitHub, etc.).
Highlights

Pros

  • Fully open-source firmware and software with independent security audits.
  • Available in Bitcoin-only edition with radically focused firmware for minimal attack surface.
  • Swiss-made with dual-chip architecture and dedicated secure element for robust private key isolation.
  • Automatic microSD card backup simplifies wallet recovery without relying on seed phrases alone.

Cons

  • Multi edition supports only a limited set of assets compared to competitors supporting thousands.
  • Design is less portable compared to card-format alternatives.
  • No touchscreen — relies on button navigation which can be less intuitive.