Wallets · Hardware
BitBox02
5 min read
What it is
BitBox02 is made by BitBox in Switzerland, sold in Multi and Bitcoin-only editions, with fully open-source firmware (bitbox.swiss).
At a glance
| Spec | BitBox02 |
|---|---|
| Type | Hardware |
| Bitcoin-only | Bitcoin-only edition available |
| Open source | Yes (firmware) |
| Air-gapped | Not verified |
| Multisig | Yes |
| Secure element | Yes (secure chip) |
| Price | Not verified |
Current security status
OK: Recommended (Bitcoin-only edition preferred). Minimum version: 9.26.5+. Checked 2026-10-16 on our security watch.
- 9.26.5 fixed a bootloader issue, a memory-corruption issue on unconfigured Multi editions, and a Silent Payments flaw. BitBox reports no exploitation.
- Source: BitBox02 firmware 9.26.5 release
- Source: BitBox blog
- Source: crypto.news
Key features
- Multi and Bitcoin-only editions (bitbox.swiss).
- Open-source firmware (bitbox.swiss).
- Certified secure chip on the Nova (bitbox.swiss).
- Multisig signing in Sparrow, including the m/45h keypath on firmware 9.19.0+ (Sparrow 2.5.5).
Buying and setup
- Buy only from the maker's official site (bitbox.swiss) or an authorized seller it lists. Never use a device that arrives with a seed already written down.
- Set it up with our hardware wallet module, then pair it with Sparrow as a watch-only wallet.
Sources
Educational content only, not financial advice. See our disclosure.