
ZERO gives you state-of-the-art security with an intuitive user interface.
Create your keys and sign transactions with a fully offline device.



4" Touchscreen
Easily manage multiple wallets. Tap and swipe.
Impenetrable by design
Anti-tampering protection against physical attacks.
EAL7 certified
Highest level of security in the blockchain & financial industry
Biometric & light sensor
Enhanced security by light, fingerprint & QR scanning
Safest solution for your Bitcoin, NFTs and Crypto






Easiest solution for your Bitcoin, NFTs and Crypto






All Supported Coins and Tokens

- Step 1Create the Perfect KeyZERO generates your Perfect Key based on the built-in "True Random Number Generation" (TRNG) patented chip, your unique biometrics, and photon measurements of the ambient light.
- Step 2Backup your KeyCreate the most secure backup by punching your perfect key in our stainless steel backup solution, GRAPHENE, consisting of two plates for an additional encryption layer.
- Step 3Sync with our appSync ZERO with our LIQUID mobile app via QR code. This way you have all your public information of your accounts. Your private keys remain on the ZERO, offline.
- Step 4Receive fundsSend funds to your wallet by copying your address or showing the QR code. Easy, just like any other wallet.
- Step 5Check your portfolioEasily monitor your portfolio on the blockchain without ZERO. Your private keys are offline.
- Step 6Securely sign transactions
Start a transaction on your LIQUID app. It will create a QR code. Scan it with your ZERO, verify the information, and sign the transaction. ZERO will create another QR code. Scan it with LIQUID to broadcast to the blockchain.
How to use NGRAVE ZERO
Which cold wallet to choose?

ZERO Technical Specifications

- Width:Width: 125 mm - 4.92”
- Height:70 mm - 2.7”
- Depth:13 mm - 0.51”
- Weight:180 gr - 6.3 ounces
CC EAL7, CE, RoHS, FCC
12 x 12 mm Fingerprint Sensor
High-End Metal
State-of-the-Art Secure Element
640 x 480 with Built-in Light Sensor
Only for Wall Charging & Secure Firmware Updates
101,6 mm (4”) diagonal LCD, 480 x 800 Pixel, 600Cd/m2 Capacitive Touch Screen
1 200 mAH (Ultra-Efficient Low Power) Battery with USB-Compatible Battery Charger & Low Power High Efficiency Power Management
2019 STM32MP157C (High Performance Dual-core ARM® Cortex®-A7 including ARM® NEON and ARM® Trustzone® + ARM® Cortex®-M4 with FPU/MPU) with Secure Boot, Secure RAMs, Secure RTC, Active Tamper and Trustzone® Peripherals, Cortex M4 Resources Isolation. Ultra low power consumption.
Message Digest: RIPEMD160, SHA224, SHA256, SHA384, SHA512, SHA3, SHA3-XOF, KECCAK, BLAKE2B, GrøstlCryptography Key, with key generation:DES (56, 112, 168 bits), AES (128, 192, 256 bits),ECC (256 bits), RSA (1024, 2048, 3072,4096 bits) RSA encryption with PKCS1 v1.5, PKCS1 OEAP, NOPAD schemes HMAC Signature: HMAC-SHA256, HMAC-SHA512 RSA Signature with PKCS1 v1.5, PKCS1 PSS schemes Elliptic Curve Signature: ECDSA/EC-Schnorr (SECP256K1, SECP256R1, Brainpool256R1, Brainpool256T1), EdDSA (Ed25519) Elliptic Curve Diffie Hellman: ECDH (SECP256K1, SECP256R1, SECP521R1,Brainpool256R1, Brainpool256T1, Curve25519) Symmetric Cryptography: DES, Triple-DES, AES with ISO9797M1,ISO9797M2, NOPAD schemes Random Number Generation: RND, Prime RND (hardware support TRNG), NIST SP 800-90A CTR DRBG