In order to provide another layer of security, you can include a hardware key with a private key to authenticate with services like GMAIL or Github. This hardware key support storing cryptocurrencies along with its U2F (Universal 2 Factor) authentication. There are other hardware key like the Yubikey NEO which can utilize NFC and operates as a U2F but it …
Yubikey – Encryption – OTP – 2FH – Challenge-Response – Better Security – FIDO Certified
Recently, in order to take the security story further I purchased a Yubikey from http://www.yubico.com. My decision was prompted to use better security for all places that I use keys. 1. Laptop – Login to Device (Challenge-Response) 2. Access to hosting provider (VULTR) 3. SSH access to systems (VPS, AWS) 4. Move away from Google Authenticator (2FH) 5. Laptop access …