When you use sensitive or private information, or have valuables on the Internet you should protect that as much as possible.
To only use a password is in the most cases not enough to protect yourself against hackers or other threats. 2 factor authentication is a must, especially if you have money, cryptocurrency or other valuables.
I nowadays use Authy because it has an easy way to back up your account so you won't be screwed if you lose your app or so.
Check Authy out here:
www.authy.com
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