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Advanced secure technology for digital transactions

Cryptnox SA

Crypto Hardware Wallet – Dual Card Set

Name: Hardware Wallet: Secure Your Crypto with Cryptnox Dual Card
SKU: 7649992538165
Price: 39.90 EUR
Availability: InStock

The Cryptnox Hardware Wallet offers a highly secure and portable solution for managing cryptocurrencies. This dual card set, comprising a main card and a backup card, provides enhanced security and convenience for users. Supporting Bitcoin, Ethereum, Tron, XRP and a wide array of tokens, the wallet features seamless integration with Web3 dApps via WalletConnect, along with compatibility with MetaMask for versatile connectivity. Designed for biometric authentication and encrypted NFC communication, the Cryptnox wallet ensures robust protection of your assets while enabling straightforward transactions.

Cards also ship with FIDO2 Functionalities now!

For more informations, Click Here.

ORDERS TO THE EU SHIP DIRECTLY FROM THE EU – NO IMPORT DUTIES

€ 36.91

Tax included. Shipping calculated at checkout.

Keep your digital assets safe with the Cryptnox ultra-secure crypto cold storage wallet— in a value-pack set of 2. Engineered with EAL6+ certified secure elements, biometric pairing, and encrypted NFC tap-to-sign technology, this smartcard-sized hardware wallet is the gold standard for crypto protection.
Compatible with Bitcoin, Ethereum, Tron, XRP, stablecoins, NFTs, and EVM-compatible blockchains, the Cryptnox Wallet app offers seamless mobile management. Need to access DeFi or interact with Web3 platforms? Use WalletConnect or MetaMask with offline signing — your private keys never leave the card.
Each cold wallet for cryptocurrency also doubles as a powerful FIDO2 security key, providing passwordless login and two-factor authentication for services like Binance, Coinbase, GitHub, and more.
Whether you’re a beginner or a security-savvy crypto holder, Cryptnox hardware wallet for cryptocurrencies is your all-in-one solution for digital asset storage, authentication, and peace of mind.

For an extensive list of supported blockchains and coins, please click HERE.

For tutorials, please click HERE.

Banking-Grade Security: EAL6+ certified secure element with biometric pairing and encrypted NFC. Your private keys stay offline and protected.
Effortless Mobile Management: Use the intuitive Cryptnox Wallet app to manage your crypto, stablecoins, and NFTs across multiple blockchains.
Web3-Ready: Securely sign transactions and interact with DeFi apps and dApps using MetaMask or WalletConnect, with full offline tap-to-sign capability.
Additional FIDO2 Security Key functionality: Adds passwordless login and 2FA to your favorite platforms—crypto exchanges, Microsoft and Google accounts.
Compact, Durable Design: Smartcard form factor fits in your wallet, built for portability and everyday use. Tamper-resistant and long-lasting.
Sleek and Portable Design!

Brand: Cryptnox
Material: Plastic
Color: Black
Style: Modern

Chipset Specifications

Certifications
The chipset and cryptographic module are certified EAL6+ as per the Common Criteria standards
FIPS 140-2 Level 3 as per the NIST standards.

Communication Interfaces

ISO/IEC 14443 (NFC Contactless)
ISO/IEC 7816 (Contact)

Hardware Wallet Technical Specifications

Authentication

PIN (4 to 9 digits) / PUK (12 characters). Card power cycle needed after 3 wrong PIN. Card locked after 12 wrong PIN (4×3). Can be unlocked with the PUK.
Slot NIST256 R1 signature authentication (mobile phone secure element or PIV) ×1
Slot RSA2048 (Windows Hello TPM) ×1
Slot for Webauthn/FIDO2 ×1
Option to set a dedicated derivation path which doesn’t require the PIN to sign.
Possibility to disable auth by PIN once a key slot is filled.

Secure channel

AES256 from Hash (ECDH, PairingKey)
With MAC
256 bits pairing key
Key in the card certificate tree

Customer user data

At initialisation: 20 + 60 bytes user data filed (email/name)
6 custom bytes provided at SELECT
3600 bytes private data buffer

Digital signature

ECDSA on “Koblitz Bitcoin” 256 kl curve
ECDSA on NIST P256 r1 curve
BIP 340 “Schnorr” signature (256kl)
Antelope 32 bytes loop option

Key derivation

BIP 32 key derivation function, with SLIP10 standard for NIST 256R1 curve. Max derivation depth is 8 levels.

Random number generation

BIP 32 key derivation function, with SLIP10 standard for NIST 256R1 curve. Max derivation depth is 8 levels.

Encryption / Decryption

ECIES using an EC key in the BIP32 tree. Based on DECipher from OpenPGP.

Authenticity

Dynamic card key authentication. Card is loaded with a unique card certificate signed by the factory root key.

Logging

Counter of number of signatures (4 bytes)
History of last 149 signed hash

Reset function

With PUK only

Fido Specifications

Certification

FIDO 2.1, Level1

Characteristics

U2Fv2, FIDO 2.0 and FIDO 2.1 standards
NFC ISO 14443 contactless and ISO 7816 contact interfaces
EC Digital Signature (ECDSA) with NIST P256 (256R1) parameters
32 bits signature counter, reset to 0 upon authenticator reset
Multiple accounts per Relying Party
Resident keys credentials (64 credential slots)
CredManagement commands

Options

HmacSecret
CredProtect
CredBlob for Resident-Keys
minPinLength: stores up to 4 authorized RPs

AAGUID

1d1b4e33-76a1-47fb-97a0-14b10d0933f1