VL4.9 Updated 14 August 2026
VaultLine One review
An air-gapped device that signs transactions via QR codes, so it never touches USB or Bluetooth. Firmware is fully open source and reproducible.
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Rating by criteria
Security5.0
Fees4.5
Usability4.6
Customer support4.5
Fees, payments and coverage
| Price | €149 one-off |
|---|---|
| Available countries | 64 |
| Payment methods | Card, PayPal, Bank transfer |
| Security | Air-gapped · Open-source firmware · Secure element · Passphrase support |
Pros
- No USB or wireless connection to compromise
- Reproducible, open-source firmware builds
- Clear, well-illustrated recovery process
Cons
- QR signing is slower than a cable
- Higher price than entry-level devices
What readers say
341 readers have told us about their experience with VaultLine One. We publish reader feedback without editing it, and we do not use it in the score.
Ready to look at VaultLine One yourself?
Check the current terms on their site — fees and country coverage change.