Yubico is all set to launch the first Lighting-based MFi Security Key for the iPhone and iPad. Currently in private testing, here's what we know so far.
Here's how to get, setup and use a USB Security Key with your Google Account for two-step verification. Security Keys use cryptography instead of standard verification codes which make them more secure for logging in, and they work without needing a data connection or battery, best of all, you can carry them easily wherever you go.