threshold-signatures
2 posts tagged threshold-signatures.
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The Trusted Party Nobody Has to Be: Secure Multiparty Computation and Threshold Cryptography, Where No One Holds the Secret
Secure multiparty computation and threshold cryptography let distrusting parties compute on private data and sign with a key no single party ever holds.
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Nobody Broke Shamir: A Field Guide to Secret Sharing and Threshold Cryptography
Shamir 1979 splits a secret so any t-of-n rebuild it and t-1 learn nothing. The perfect-secrecy core never broke; every failure was in the machinery around it.