https://github.com/averagemarcus/better-2fa

A proof of concept for a better 2FA code that replaces previously sent SMS messages
https://github.com/averagemarcus/better-2fa

Last synced: over 1 year ago
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A proof of concept for a better 2FA code that replaces previously sent SMS messages

• Host: GitHub
• URL: https://github.com/averagemarcus/better-2fa
• Owner: AverageMarcus
• Created: 2018-11-11T00:07:39.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2018-11-14T17:10:34.000Z (over 7 years ago)
• Last Synced: 2025-02-12T11:24:46.796Z (over 1 year ago)
• Language: JavaScript
• Homepage:
• Size: 310 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Better 2FA

> A proof of concept for a better 2FA code that replaces previously sent SMS messages

Better 2FA sends a random 4 digit code to the provided phone number. When the verify function is used it then sends another SMS message overwriting the original 4 digit code with "code used".

![](/Better2fa.gif)

## Related

* [sms-7bit-alphabet](https://github.com/AverageMarcus/sms-7bit-alphabet)

## Thanks

Thanks to [Sam Machin](https://twitter.com/sammachin) for telling me about this fascinating feature of SMS and his [example python application](https://github.com/nexmo-community/python-interesting-sms) covering some other interesting SMS features.