From the paper: https://storage.googleapis.com/pub-tools-public-publication-data/pdf/ae87385258d90b9e48377ed49d83d467b45d5776.pdf https://storage.googleapis.com

From the paper: https://storage.googleapis.com/pub-tools-public-publication-data/pdf/ae87385258d90b9e48377ed49d83d467b45d5776.pdf https://storage.googleapis.com/pub-tools-public-publication-... > We rely on Shamir’s t-out-of-n Secret Sharing [50], which allows a user to split a secret s into n shares, such that any t shares can be used to reconstruct s, but any set of at most t − 1 shares gives no information about s.