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by drhuseynov 589 days ago
Not $1, but you can get a JavaCardOS card and upload a FIDO applet yourself

https://github.com/token2/pin_plus_firmware https://github.com/BryanJacobs/FIDO2Applet

Probably will cost 5USD
1 comments
cuu508 589 days ago
Interesting, but "card" sounds like a different form factor, and Yubikeys do a fair but more than just FIDO2!
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drhuseynov 589 days ago
JavaCardOS can run in a USB-form factor as well. But that will not be 5USD. https://usasmartcard.com/usb-token/?page=1

In addition to FIDO2, you can add java applet for OpenPGP (also open source), TOTP (https://github.com/JavaCardOS/Oath-Applet) and PIV/smartcard (open source as well). I tell you more - there are tons of JavaCardOS compatible applets available on github etc.

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fmajid 589 days ago
The Yubikeys also support NFC, which is necessary for U2F authentication on Lightning iPhones.
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drhuseynov 588 days ago
Sorry I was not clear. Cards have NFC in any case. What is missing in cards is USB
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