NGRAVE ZERO Review
NGRAVE ZERO is a premium air-gapped hardware wallet for users who value QR-only signing, a large touchscreen, fingerprint authentication, tamper protection, and EAL7-certified OS claims more than open-source transparency or low price.
NGRAVE ZERO
Pros
- Strong fit for airgap security seekers
- Strong fit for premium buyers
- Strong fit for long term holders
- Strong fit for users wanting large touchscreen
Cons
- Not ideal for budget conscious users
- Not ideal for open source advocates
- Not ideal for bitcoin only minimalists
- Not ideal for desktop first users
Price
$398
Connectivity
QR, USB-C charging only
Open Source
Closed source
Coins
3,500+
Key Specifications
Manufacturer
NGRAVE
Country
Belgium
Launch Year
2020
Firmware Maintained
Yes
Secure Element
Yes
Air-gapped
Yes
Connection
QR, USB-C charging only
Official App
NGRAVE LIQUID
Security Model
High-assurance air-gapped hardware wallet with a custom EAL7-certified operating system, secure element, QR-only transaction flow, fingerprint-assisted authentication, tamper protection, and offline key generation.
Trust Assumptions
- Users trust NGRAVE's proprietary custom OS and firmware implementation
- The EAL7-certified OS and secure element protect secrets as documented
- QR transaction parsing and LIQUID app coordination remain correctly implemented
- Users verify transaction details on the 4-inch device display before approval
- Users protect the recovery material or optional GRAPHENE backup from physical disclosure
- USB-C is used only for charging and secure firmware updates, not transaction signing
Backup Methods
24 Word Seed, Passphrase, Hidden Wallet, Ngrave Graphene Backup
- Airgap Security Seekers
- Premium Buyers
- Long Term Holders
- Users Wanting Large Touchscreen
- Users Wanting Fingerprint Authentication
- Budget Conscious Users
- Open source Advocates
- Bitcoin only Minimalists
- Desktop First Users
- Users Wanting Broad Third Party Wallet Support
Known Issues
2026: Closed-source high-assurance tradeoff
NGRAVE emphasizes certification and proprietary security engineering rather than public firmware and hardware transparency, making it less attractive for users who prioritize open-source verifiability.
Sources
- NGRAVE ZERO Official Store(official)
- NGRAVE ZERO Product Page(official)
- NGRAVE ZERO Backup Product Page(official)
- NGRAVE ZERO Specifications(support)
- NGRAVE Custom EAL7 Operating System(official)
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