Based on our record, U2F Zero seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Yes https://u2fzero.com/ There are also other devices like Nitrokey. Source: over 2 years ago
Two Factor Auth (2FA) - List of websites and whether or not they support 2FA
YubiKey - The YubiKey is a one-time password device for secure login with two-factor authentication
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Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Rapid 2FA - A painless way to add two-factor authentication to your site
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