You all at some point have seen a prompt recommending activation of Two-factor authentication (2FA) in various e-mail services, messengers or e-shops. Most of the people ignore that prompt, but after seeing it time after time on different websites, apps or services they start to wonder: “Do I really need it? How does it work? How will it help me? Will it make my account safer? Is it easy to use? Are there downsides of using 2FA?”. Let’s try to figure it out.
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