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by Sjlver 895 days ago
Nice!

I like the idea of washers on a bolt. One could conceivably purchase five different sizes to make your idea compatible with psst. A similar idea also exists as a commercial product: https://jlopp.github.io/metal-bitcoin-storage-reviews/review...

At some point during the design of psst, I considered using GF(4) instead of GF(5). I chose GF(5) mainly because it supports up to four shares. It's also slightly more efficient to encode a-z text, and to obtain a random digit using a dice.

Good luck for the card-based encryption!