That is an opinion editorial by Shawn Amick — all ideas and proposals are solely the authors and never an official Bitcoin Journal endorsement.
Cryptotag just lately allowed me to check one in every of their newest merchandise, Odin, which is a singular product meaning to safe self-custodied keys with a set of titanium, laser-etched hexagons that every retailer a partial key (a “share”) that’s cut up utilizing Shamir Secret Sharing.
Shamir Secret Sharing
Shamir Secret Sharing permits you to cut up your seed into m “shares” the place any n of them can be utilized to rebuild your authentic seed. However anybody holding lower than n shares doesn’t also have a partial copy of your seed. This additionally means which you can lose m – n restoration shares and nonetheless be capable to rebuild your seed. A more detailed explanation is available here.