How to Share a Secret (Shamir Secret Sharing)

Previously:

How to Share a Secret [pdf] (1979) https://news.ycombinator.com/item?id=31817716 (June 20, 2022 — 140 points, 35 comments)

I found this technique very useful and also wrote an article about it: https://medium.com/gitconnected/sharing-a-secret-with-polyno...