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Cryptnox® Crypto Hardware Wallet | Best Cold Storage for Bitcoin & Crypto
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Cryptnox® Crypto Hardware Wallet | Best Cold Storage for Bitcoin & Crypto - Image 7

Cryptnox SA

Cryptnox® Crypto Hardware Wallet | Best Cold Storage for Bitcoin & Crypto

The Cryptnox Web3 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, and a wide array of tokens, the wallet features seamless integration with Web3 dApps via Reown (formerly WalletConnect), along with compatibility with MetaMask for versatile connectivity. Equipped with 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.

€ 36.91

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  • Keep your digital assets safe with the Cryptnox ultra-secure crypto cold wallet— in a value-packed set of 2. Engineered with EAL6+ certified secure elements, biometric pairing, and encrypted NFC tap-to-sign technology, this smartcard-sized crypto cold storage wallet is the gold standard for crypto protection.
  • Compatible with Bitcoin, Ethereum, Tron, 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 cryptocurrency is your all-in-one solution for digital asset storage, authentication, and peace of mind.
  • Bank-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.
  • FIDO2 Security Key: Adds passwordless login and 2FA to your favorite platforms—crypto exchanges, dev tools, 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
    Note: higher certifications available on request

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
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