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![Keith Jaroszewski](https://ph-avatars.imgix.net/3749901/original.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
OnlyKey DUO is a USB security key that works virtually everywhere, supporting both USB-A and USB-C. Say goodbye to remembering passwords! Like a security swiss army knife, use as a password manager, MFA (FIDO2, TOTP, and Yubico® OTP), SSH, OpenPGP, and more.
![OnlyKey DUO](https://ph-files.imgix.net/1dc22a27-3438-49b9-bd13-d22ae446fda1.jpeg?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
OnlyKey DUO
Open source Yubikey alternative with dual USB-C and USB-A