Ngrave Hardware Wallets
Ngrave designs the Zero, a fully air-gapped hardware wallet built around an EAL7-certified operating system and a steel GRAPHENE backup.
Ngrave Wallet Models
Explore the complete range of Ngrave hardware wallets designed for different needs and budgets.
Top PickNgrave Zero
Premium, fully air-gapped hardware wallet with QR-only signing, a biometric sensor, an EAL7-certified ProvenCore OS and a steel GRAPHENE backup.
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Pros & Cons of Ngrave Wallets
Pros
- Fully air-gapped — QR-only signing, no USB data / Bluetooth / NFC
- EAL7-certified ProvenCore operating system
- Biometric fingerprint sensor feeds the proprietary Perfect Key
- Steel GRAPHENE backup ecosystem
- Large 4-inch color touchscreen
- Durable IP55 metal-alloy body
Cons
- Closed-source firmware — limited public verifiability
- Premium pricing (more with GRAPHENE backup)
- QR-only workflow is slower; multisig coordination is manual
- No built-in WalletConnect; dApps need MetaMask/Rabby
Ngrave Rating Summary
How We Rate Ngrave Wallets
Every rating is based on 40 measurable parameters with a fully transparent, open formula. No pay-to-play, no hidden criteria.
Ready to Choose Your Ngrave Wallet?
Based on our analysis, the Ngrave Zero is the top-rated model with a score of 61/100.
Who Is Ngrave Best For?
Ngrave wallets are designed for specific types of users and use cases.
Maximum-security cold storage
For long-term holders who want a fully air-gapped device with the highest certification.
Learn More →Air-gapped power users
For advanced users who prefer QR-only signing and a verifiable, tamper-resistant device.
Learn More →Long-term HODLers
For investors safeguarding large balances with a steel GRAPHENE backup.
Learn More →Ngrave vs Other Wallets
See how Ngrave compares to other leading hardware wallet brands.
Ngrave vs Ledger
The Ngrave Zero is fully air-gapped with no Bluetooth, unlike Ledger’s connected devices.
Ngrave vs Trezor
Both are security-focused, but the Zero is air-gapped and closed-source while Trezor is open-source.
Ngrave vs Foundation
Foundation’s Passport is open-source and Bitcoin-first; the Ngrave Zero is multi-coin with EAL7 and biometrics.
Ngrave vs Cypherock
Cypherock splits keys across cards; Ngrave secures one air-gapped device backed by steel GRAPHENE.
About Ngrave
Ngrave is a Belgian digital-asset security company founded in 2018. Its flagship device, the Ngrave Zero, is a fully air-gapped hardware wallet that signs transactions only via QR codes — with no USB data, Bluetooth, NFC or WiFi.
The Zero is built around the Common Criteria EAL7-certified ProvenCore operating system running on an STM32MP157C processor with an STSAFE-A100 secure element, adds a biometric fingerprint sensor used in its proprietary "Perfect Key" generation, and pairs with the stainless-steel GRAPHENE backup.
Security
EAL7-certified ProvenCore OS with a fully air-gapped, QR-only signing model
Backup & Recovery
Steel GRAPHENE backup and a proprietary Perfect Key seeded with biometric entropy
Build Quality
Durable IP55 metal-alloy body with a large 4-inch color touchscreen
FAQ About Ngrave Hardware Wallets
Where is Ngrave based?
Ngrave is a security company based in Belgium, founded in 2018.
What makes the Ngrave Zero different?
It is fully air-gapped (QR-only), runs the EAL7-certified ProvenCore OS, uses a biometric sensor for its Perfect Key, and ships with the steel GRAPHENE backup.
Is Ngrave open source?
No. The Zero firmware is closed-source; Ngrave instead emphasizes the EAL7 certification of its ProvenCore operating system.
Explore Ngrave Hardware Wallets
Discover the features and security options offered by Ngrave hardware wallets to find the right fit for your needs.
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