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Products
Hardware Wallet
FIDO2 / PIV / MIFARE Identity Cards
Card Readers
Business
Card Wallet as a Service (C-WAAS)
Custom Development
Shamir Secret Sharing Cards
Tutorials
Tutorials for Hardware Wallet products
Tutorials for FIDO2 products
Tutorials for Card Reader products
Card Position for NFC
Cryptnox Coin & Blockchain Support
Troubleshooting
Blogs
Technical Resources
Software for Hardware Wallet
Software for Fido2 Products
Technical specifications – Cryptnox Hardware Wallet
Technical specifications – Cryptnox FIDO2 Card
Technical specifications – Cryptnox PIV Card
Technical specifications – MIFARE DESFire
Android Compatibility Update for Cryptnox FIDO2 Card and Security Keys
Hardware Wallet – Internal Mechanics
Manage PIN, PUK & Mobile Biometric Pairing for Cryptnox Wallet
PUK Security
Dual Generation Mode
Technical whitepaper
Cryptnox Patented Technology
Research
Technical Documentation
Online Tools
Fido2 Testing Site
Sign message with WalletConnect
Generate an Access Card
Blockchain Address Analyzer
Support/Contact
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Blogs
Recent blog posts
August 3, 2026
FIPS PIV Card vs YubiKey PIV: Why Smart Card Life Cycle Control Matters
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August 3, 2026
FIPS PIV Card vs YubiKey PIV: Why Smart Card Life Cycle Control Matters
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July 7, 2026
FIPS PIV Card vs YubiKey PIV: Why Smart Card Life Cycle Control Matters
The biggest difference between a standards-based FIPS PIV card and a YubiKey running the PIV applet is not the cryptography. It is who controls the card life cycle: the vendor, the issuer or the enterprise.
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June 5, 2026
C++ Smartcard SDK for Integrating Cryptnox Hardware Wallet Cards
The Cryptnox C++ SDK helps developers integrate smartcard-based hardware wallet functionality into desktop applications, issuer tools, POS systems, and enterprise middleware while keeping private keys inside secure hardware.
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June 5, 2026
HD vs Non-HD Wallets: Why a Simple Single-Account Model Can Make More Sense Today
The Cryptnox C++ SDK helps developers integrate smartcard-based hardware wallet functionality into desktop applications, issuer tools, POS systems, and enterprise middleware while keeping private keys inside secure hardware.
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