Go through the list of accounts you've configured in the app, turning 2FA off and on for each one. To remove an account from Google Authenticator, tap and hold on it, then press the Trash Button (top right). While there are a few websites (such as Twitch) that work specifically with Authy tokens, the app actually works with any website that supports Google Authenticator. It's always a good idea to check that the login you've swapped is working before moving on to the next one. In Authy, tap Add Account and then Scan QR Code. Whether or not this message will fall on deaf ears, remains to be seen. If you don’t want/need any multi device component then you can simply use Google Authenticator or LastPass’ Authenticator and with a LastPass account it allows you to back it up as well. Coinbase Recommends Users to Enable Google Authenticator, Ditch Authy. Click Set Up, and you'll eventually be shown a QR code, which you can scan using the Authy app. Yeah I used Authy in the past but moved away because of the phone number requirement. These days, Google prefers to use a prompt on your phone as the 2FA confirmation, but you'll find an authenticator app option further down the settings screen once 2FA is back in place. Authy by Twilio is a universal 2FA app, available for iOS, Android, Windows, macOS, and even Linux. You'll be taken through the process of setting up 2FA on your account. With a Google account, for example, you need to open your account page on the web, select Security and 2-Step Verification, click Turn Off, confirm your choice, click 2-Step Verification again, and then click Get Started. Obviously, the exact process will depend on which accounts you use. Too many sites are so behind the times that they consider offering only google authenticator as a 2FA as cutting-edge. So I’m using authy & Google Authenticator for most of my sites. WebAuthn, unlike TOTP, is typically resistant to phishing, and may be an interesting option to allow in addition to TOTP.Two-factor settings for a Google account. I’ve been trying to use FIDO & FIdo2 more and more often, but a lot of the sites i use still don’t offer these services. Similarly, there is also 2FA support using security keys (or the user's device code on Android) called WebAuthn, which is also an open specification and can be implemented without charge. The most common 2FA tools used by Android users are Authenticator, Authy, and some other alternatives which I dont know of. You can download it for your mobile device from the App Store or Google Play or install a browser extension to your Chrome. In addition, using standard TOTP is free. There are some companies who will try to sell you on a proprietary solution which uses their custom app and special software, but it's not necessary and using the standard TOTP approach allows the user to store all of their credentials in one app and easily transfer it to a new device, which is a substantial benefit. While the use of physical security keys could be fairly complicated and inconvenient, the use of authenticator apps such as Google Authenticator could be a convenient way for users to enable 2FA on their account, and continue to enjoy the security blanket that SMS-based 2FA previously allowed. Unless you are well acquainted with cryptography, I'd recommend using an appropriate library for your environment. Cons Desktop edition does not force use of a master password. Supports iOS, Android, BlackBerry, Windows, Mac OS, and Linux. It's possible to implement this for a typical web service using a standard library implementing TORP for your language, or manually using HMAC with a suittable hash function, a CSPRNG, and a QR code generator. Does everything Google Authenticator does and more. The algorithm that is used by Google Authenticator and similar tools, such as Authy, is called TOTP and is defined in RFC 6238 as an open standard.
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