Yubikey 5 NFC	YubIkey 5C NFC	Yubikey 5 Nano	Yubikey 5C	Yubikey 5C Nano	Yubikey 5Ci	Security Key NFC by Yubico	Security Key by Yubico
Security Functions
WebAuthn
IDO2 CTAP1
FIDO2 CTAP2
Universal 2nd Factor (U2F)
Smart card (PIV-compatible)							–	–
Yubico OTP							–	–
OATH – HOTP (Event)							–	–
OATH – TOTP (Time)							–	–
OpenPGP							–	–
Secure Static Passwords							–	–
Certifications
FIDO Universal 2nd Factor (U2F)
FIDO2
NIST – FIPS 140-2	–	–	–	–	–	–	–	–
IP68				–	–	–
Cryptographic Specifications
RSA 2048							–	–
RSA 4096 (PGP)							–	–
ECC p256
ECC p384							–	–
Identity & Access Management
AWS Identity and Access Management (IAM)
Duo Security
Forgerock
Idaptive
Microsoft Active Directory							–	–
Microsoft Azure AD
Okta
OneLogin
Ping Identity
Communication Support
USB-A		–		–	–	–
USB-C	–		–				–	–
Near Field Communication (NFC)			–	–	–	–		–
Lightning	–	–	–	–	–		–	–
Productivity & Communication
Google Account
Microsoft account
Salesforce.com
Device Type
FIDO HID Device
CCID Smart Card							–	–
HID Keyboard							–	–
Design & Durability
Water Resistant				–	–	–
Crush Resistant				–	–	–
Dustproof				–	–	–
No Batteries Required
No Moving Parts
Manufacturing
Made in USA
Made in Sweden
Developer Tools
Github
Social
Facebook
Twitter
Authentication Methods
Passwordless
Strong Two Factor
Strong Multi-Factor
Cloud Storage
Dropbox
Password Managers
Dashlane Premium
Keeper®
LastPass Premium							–	–
1Password
YubiKey Tools
YubiKey Manager
Yubico Authenticator							–	–
Personalization Tool							–	–
Computer Login
Windows
macOS
Linux