Time-lock puzzles and other cryptographic schemes intended to ensure that a message cannot be read until a certain time has passed.
Questions tagged [timed-release]
31 questions
6
votes
2 answers
Why is time-lapse cryptography not popular?
Time-Lapse Cryptography has been introduced by Michael Rabin and Christopher Thorpe in the paper “Time-Lapse Cryptography”, but it does not seems to be popular. It is a really good paper with an great theoretic background and the authors themselves…

funtime
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2
votes
0 answers
Proving a commitment hides the value hidden in an encrypted puzzle
I am making a protocol that has one missing piece. It involves 2 non-trusted party $A$ and $B$ and a semihonest third party $C$. This protocol has a contingency step where if $A$ leaves prematurely, $B$ is supposed receive time locked puzzle. It…

Zarquan
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1
vote
1 answer
Time-based Crypto
I'm wondering if there is any way to make crypto based on time, where the concept of time is linear in one-direction. Even a theoretical brainstorm.
Example 1:
A message which can only be opened/read after a certain time. Could be good for…

Father Time
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votes
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what is (n, n’, δ, u) generalized BBS assumption?
This assumption appeared in the 2000 'timed commitment' to justify privacy in the scheme. But it is not known what the relevant symbols mean in this hypothesis.