


The top result is from Yubico, who worked with Google to develop U2F before other companies signed on, and has a history of making USB security keys. Google’s official documentation tells users to search for FIDO U2F Security Key on Amazon and buy one. A FIDO U2F security key: You’ll need the physical authentication token to get started.To get started, you’ll need just a few things: RELATED: U2F Explained: How Google and Other Companies Are Creating a Universal Security Token
