How to keep an open secret with mathematics.

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Shamir's Secret Sharing on wikipedia.
https://en.wikipedia.org/wiki/Shamir%27s_Secret_Sharing

I made the animated parabola in GeoGebra with help from my mate Ben Sparks. Here is the GeoGebra5 file if you'd like to have a play:
https://www.dropbox.com/s/zydcy38eedahbfu/quadratic%20from%20SUMS%20video.ggb?dl=0

Read about finite fields on MathWorld:
http://mathworld.wolfram.com/FiniteField.html

Shamir Secret Sharing used with Bitcoin:
https://blog.trezor.io/shamir-backup-the-revolution-of-private-keys-backup-is-here-858687ed7fe7

And for balance, an argument against using Shamir Sharing with Bitcoin, but rather Multisignature.
https://blog.keys.casa/shamirs-secret-sharing-security-shortcomings/

Sorry, Think Maths have not made any teacher resources for this video, but check out their resources for all my other videos here: http://think-maths.co.uk/standupmaths-videos

CORRECTIONS
- None yet, let me know if you spot any mistakes!

Thanks again, as always, to Jane Street for supporting this channel.
https://www.janestreet.com/

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Michael Lehenbauer
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Filming and editing by Alex Genn-Bash
Music by Howard Carter
Design by Simon Wright

MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/
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Видео How to keep an open secret with mathematics. канала Stand-up Maths