Welcome to the resource topic for 2023/977
Title:
Timed Commitments Revisited
Authors: Miguel Ambrona, Marc Beunardeau, Raphaël R. Toledo
Abstract:Timed commitments (Boneh and Naor, CRYPTO 2000) are a variant of
standard commitments which incorporates a forced opening mechanism
that allows anyone to reveal the committed message, but not before
a certain prescribed date.
Timed commitments have a wide-range of applications such as
contract signing, fair multi-party computation, sealed bid auctions
or new blockchain applications such as preventing front-running or
unbiased randomness generation.
We revisit the notion of timed commitments and propose an alternative
simplified definition. We also provide two new constructions of timed
commitments with different trade-offs.
ePrint: https://eprint.iacr.org/2023/977
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