Google Authenticator

It is a software based verification system that successfully generates the unique one time codes and are time based on your mobile phones. While creating an account on the cryptocurrency exchanges, you are required to create the 2FA for protecting your crypto tokens that is done by the Google Authenticator. It helps a person to use multiple devices to regain the access of an account via its time based code mechanism and additionally ensures that the hackers do not have enough time to crack two devices in the bid to gain access.