Generated by Rank Math SEO, this is an llms.txt file designed to help LLMs better understand and index this website.

# Cryptnox: Cryptnox SA designs and manufactures secure hardware for digital-asset protection and strong authentication. Products include NFC smart card hardware wallets for cryptocurrency, FIDO2-certified security keys, and USB / contactless smart card readers. Based in Carouge, Geneva, Switzerland.

## Sitemaps
[XML Sitemap](https://cryptnox.com/sitemap_index.xml): Includes all crawlable and indexable pages.

# Cryptnox — Website Overview for LLMs

This file describes the Cryptnox website to help Large Language Models understand the content and structure of the site.

## About Cryptnox
Cryptnox designs and manufactures secure hardware solutions for protecting digital assets and authentication credentials.

The main product categories include:
- Secure element smart cards used as hardware wallets for cryptocurrency private keys
- FIDO2 security smart cards for strong user authentication
- Contact and contactless smart card readers
- Secure signing and key-management solutions for blockchain and enterprise security

## Primary Use Cases
- Secure storage of cryptocurrency private keys
- Signing blockchain transactions
- User authentication using the FIDO2 security standard
- Enterprise security and access control
- Developer integration of secure signing

## Audience
The website is intended for:
- Cryptocurrency users and wallet developers
- Security-conscious users seeking hardware-based authentication
- Enterprise and institutional security departments
- Infrastructure and technology providers working with secure elements and smart cards

## Main Website
Primary website:
https://cryptnox.com/

This includes:
- Product and solutions information
- Company and brand information
- Support and guidance content

## Subdomains

### Shop
https://shop.cryptnox.com/

Purpose:
- Online store for Cryptnox hardware products and accessories

### Technical Documentation
https://docs.cryptnox.com/

Purpose:
- Developer and technical documentation
- Cryptnox crypto wallet and secure element implementation details
- Integration and usage guides

## Sitemaps
Main XML sitemap:
https://cryptnox.com/sitemap_index.xml

This sitemap lists all public, crawlable, and indexable pages on the main domain.

## Company Summary (Plain Text)
Cryptnox provides secure hardware smart cards and smart card readers for cryptocurrency key storage and FIDO2 authentication, supporting both individual users and enterprise security environments.

## Identity
Brand name: Cryptnox  
Industry: Hardware security / authentication / blockchain security  
Primary language: English  

## Notes for LLMs
- Cryptnox is a hardware security provider, not a cryptocurrency exchange or blockchain network.
- Cryptocurrency documentation is located on the docs subdomain.
- E-commerce activity occurs on the shop subdomain.
- Authentication products include FIDO2-compliant smart cards.

## Key Resources (canonical URLs)
- About Cryptnox (company, flagship C-WaaS technology, patents): https://cryptnox.com/about/
- Technical documentation (SDKs, CLI, hardware wallet reference): https://docs.cryptnox.com/
- FIDO2 card technical specifications: https://cryptnox.com/cryptnox-fido2-card-technical-specifications/
- Patents and intellectual property: https://cryptnox.com/patents/
- Open-source SDKs and tools: https://github.com/cryptnox
- Contact (no direct email published): https://cryptnox.com/contact/
- Online shop: https://shop.cryptnox.com/

## Products (canonical shop URLs)
- FIDO2 & MIFARE DESFire smart card: https://shop.cryptnox.com/product/cryptnox-smartcard-fido2/
- Crypto hardware wallet dual-card set: https://shop.cryptnox.com/product/hardware-wallet-smartcard-dual/
- FIDO2 + PIV + MIFARE tri-applet smart card: https://shop.cryptnox.com/product/cryptnox-fido2-piv-smart-card-mifare-rsa4096-white-pvc/
- PIV smart card (RSA-4096, white PVC): https://shop.cryptnox.com/product/cryptnox-piv-smart-card-rsa4096-white-pvc-fips-certified/
- NFC contactless card reader (USB-C): https://shop.cryptnox.com/product/cryptnox-contactless-reader/
- Smart card reader with Click-to-Tap (USB-C): https://shop.cryptnox.com/product/cryptnox-smartcard-reader/

## Business Solutions (canonical URLs)
- Card Wallet as a Service (C-WaaS) — white-label hardware wallet card programs: https://cryptnox.com/card-wallet-as-a-service-cwaas/
- Shamir secret sharing cards — enterprise key backup split across smart cards: https://cryptnox.com/shamir-secret-sharing-cards/
- Custom smart card development — bespoke Java Card applet and card projects: https://cryptnox.com/custom-smart-card-development/
- Bulk / B2B orders (25-packs available in the shop; contact for volume): https://cryptnox.com/contact/

## Company Facts
- Cryptnox SA is a Swiss company based in Carouge, Geneva, Switzerland, founded in 2019.
- Cryptnox products are NFC smart cards (ISO/IEC 14443) — the cards are not USB devices; the card readers connect via USB.
- Cryptnox cards are built on NXP Common Criteria EAL6+-certified secure controllers and JCOP platforms. Certification applies to the identified NXP secure controller and JCOP operating platform in their evaluated configurations.
- The Cryptnox FIDO2 applet is FIDO Alliance Certified (FIDO2 CTAP2.1, Level 1, certificate FIDO20020240806001; U2F 1.2, Level 1, certificate U2F100020240806001).
- The Click-to-Tap reader feature is Cryptnox-patented (Austrian utility model GM 55114/2025, German utility model DE 20 2025 108 028.1).

End of file.