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

Secure your digital assets with Cryptnox® Crypto Hardware Wallet. Featuring ultra-safe cold storage, it's the best hardware wallet dual card for Bitcoin, Ethereum, NFTs, Ethereum Virtual Machine (EVM) Chains and related tokens as well as NFT's

• ADVANCED SECURITY FEATURES: CRYPTNOX bitcoin wallet storage is featured with top-tier security with EAL6+ certified secure elements, biometric pairing, and encrypted NFC tap-to-transact technology. Keep your crypto assets safe from unauthorized access.
• INTUITIVE MOBILE APP: Manage your Crypto with the intuitive Cryptnox Wallet app. Compatible with Bitcoin, Ethereum, and all Ethereum-based chains, these digital wallets support a wide range of digital assets. Keep your Bitcoin, Ethereum, NFTs, and other coins safer with crypto wallet cold storage, offering unbeatable security.
• COMPATIBILITY AND WEB3 CONNECTIVITY: Effortlessly connect to Web3 dApps via WalletConnect, to perform any Web3 operations. Manage NFT, perform DEFI transactions and more. Can also link to Metamask browser plug-in.
• SLEEK AND PORTABLE DESIGN: Designed for convenience, the Cryptnox crypto cold wallet features a slim smartcard format that fits easily in any pocket, complemented by a desktop application for advanced users and excellent online documentation.
• 23-SECONDS DUAL CARD SETUP: Experience lightning-fast dual card initialization in just 23 seconds, ensuring your primary and backup cards are securely synchronized with the same blockchain key. Also supports external BIP39 seed injection.

Dual card set comes with following cards:

• A main card
• A backup card
• An access card

IOS Application:

https://apps.apple.com/app/id1583011693

Android Application:

https://play.google.com/store/apps/details?id=com.cryptnox.cryptnoxwallet

Web3 Connectivity:

Use the mobile application to connect to any Web3 dapp via Wallet Connect

Matamask Connectivity:

Connect your card to your Metamask browser add-on via QR code communication
(EIP 4527)

NFC and Contact:

Genuine check with On-Card Dynamic Active Authentication with Manufacturer Certificate Chain.

Backup Solutions:

• Dual Card Generation with backup card when using Dual Card Steup (Seed Generation from On-Card TRNG source)
• Standard 12/24 Words (BIP 39)

Digital Signatures:

• ECDSA on “Koblitz Bitcoin” 256 K1 and  NIST P256 R1 curves
• BIP 340 (Schnorr) on “Koblitz Bitcoin” 256 K1 and NIST P256 R1 curves

Card Authentication with:

• IOS and Android with Biometrics (using the Secure Enclave)
• PIN
• Windows Hello Biometrics (TPM)
• Yubikey Products with Personal Identity Verification Functionality (NIST 800-73-4)

Other Specifications and Functionalities:

• Seed Generation from On-Card TRNG source
• Data Exchanges always fully protected within AES 256 bits Secure Tunnel, with MAC for integrity and authentication
• BIP32 & SLIP10 Key Derivation fully On-Card (no Parity Recovery needed)
• Export BIP32 XPUB Data
  
• File Encryption and Decryption (Encryption Key derived from Seed)
  
• On-Card Transaction History and Counter Log
• On-Card Blockchain Configuration Settings
• Common Criteria EAL6+ Certified Chipset
  

Python3 CLI client for:

• Windows
• MacOS
  
• Linux Ubuntu (including Ubuntu Core 20)

Remarks: 

• Ships from EU for EU Clients (Amazon)
• Ships form US for US Clients (Amazon)
• Ships from Switzerland for other destinations