Gemini revealed hardware security key functionality for its mobile application, giving customers compatibility with devices such as Yubikey for added security. Thanks to WebAuthn compatibility on Gemini’s app, iOS and Android “Gemini customers can now use USB and near-field communication, or NFC, security keys to securely sign into the Gemini Mobile App,” the exchange said in a July 14 statement provided to Cointelegraph. The addition bolsters two-factor authentication Two-factor authentication, or 2FA, allows for added security beyond a simple website password login. If enabled, 2FA requires a code from a…