We are "San'ki team": Alexander Sukhanov and Alexander Maratkanov
We made EventPlatform with face-based authentication. (GitHub: https://github.com/maratkanov-a/new_hackaton). In our platform you can create event, register to event and you don't need any personal data, only your photo for authentication.
Also we made a Telegram bot with which you can tell the organizers that you are in trouble. (GitHub: https://github.com/sp41mer/TrueFaceHackBot) If you have some troubles, you can just find someone with phone, send your selfie and geoposition to bot and event organisers will call you taxi or will call you and give some instructions.
There are some ScreenShots of our platform and video how to use our Telegram bot.
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