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The main article for this category is Universal 2nd Factor.

Universal 2nd Factor (U2F) is an open standard that uses special USB devices like the YubiKey or Solo for strengthening and simplifying two-factor authentication (2FA).

## Pages in category "Universal 2nd Factor"

The following 6 pages are in this category, out of 6 total.

### N

- Nitrokey

### S

- Solo

### T

- Tillitis TKey
- Tomu

### U

- Universal 2nd Factor

### Y

- YubiKey

Category:

- Authentication