Best for
Security researchers and open-source advocates requiring verifiable firmware integrity and EAL6+ guarantees.
Nitrokey
Nitrokey 3C NFC
100% open-source hardware security key with Common Criteria EAL6+ secure element and Trussed Rust firmware.
From $65.00
USD is authoritative · crypto amount locks at invoice creation
Verified selection · 24-month warranty
25 available
Why we selected it
FIDO alliance certified and Open Source Hardware Association (OSHWA) compliant.
Privacy considerations
Open-source firmware ensures zero hidden telemetry or proprietary hardware backdoors.
Shipping & warranty
Includes Nitrokey 3C NFC key in eco-friendly protective packaging.
Specifications
HousingHermetically sealed epoxy potting impervious to non-destructive physical tampering
ConnectorsUSB-C with integrated gold capacitive touch pad, contactless NFC transceiver
Firmware StackTrussed framework implemented in memory-safe Rust
Secure ElementNXP SE050 Common Criteria EAL6+ certified hardware security microcontroller
Firmware UpdatesSecure, signed bootloader with end-user verifiable cryptographic checksums
Hardware Architecture100% open-source schematics and bill of materials
Authentication StandardsFIDO2 / WebAuthn, FIDO U2F, PIV Smart Card, OATH-TOTP/HOTP
Supporting documents
No additional documents are required for this product.
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