Unverified50% confidenceFactExact time
The protocol is constructed using (T+1, N) threshold black-box secret sharing, where the secret shares of client updates, although belonging to different algebraic groups due to differing quantization, are all generated by the same linear integer system.
1
Sources
50%
Confidence
Long-term
Relevance
10/27/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedBlack-box secret sharing treats the secret sharing scheme as a black box, using only its linear properties (shares are linear functions of the secret) for composition, without relying on a specific construction (such as Shamir or replicated secret sharing).76% similarUnverifiedA (T+1, N) threshold means that at least T+1 shares are needed to reconstruct the secret, while any T shares leak no information.65% similarUnverifiedIn experiments, the prototype system achieved client-level differential privacy of ε≤3, plus secure aggregation of prediction sharing, with raw data never leaving the site.61% similarUnverifiedThe core of threshold ECDSA is the (t, n) threshold mechanism: the private key is split into n shares distributed to n participants, and any t participants can collaborate to complete a signature without possessing the complete private key.60% similarUnverifiedPassword managers such as 1Password and Bitwarden support creating shared vaults for credential sharing.60% similar
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