Comparing 2 Yubico Security Keys to the Titan Security Key pack is the correct comparison. Looks like the Titan Security Key (USB) has NFC and the Yubico Secur

Comparing 2 Yubico Security Keys to the Titan Security Key pack is the correct comparison. Looks like the Titan Security Key (USB) has NFC and the Yubico Security Key does not. And the Titan Security pack has two adapters. I call it a draw.