Email is also used for authentication, all those 6 digit codes that come in for ... | Hacker News

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		jakupovic on Jan 15, 2022 \| parent \| context \| favorite \| on: It’s not still the early days of blockchain Email is also used for authentication, all those 6 digit codes that come in for 2fa are doing so. Definitely not something that was imagined 40 years go.

kingofspain on Jan 15, 2022 [–]

Not too dissimilar to getting your bank card and PIN in separate letters. Just much, much quicker.

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