… Building on this model, we introduce the first definition and construction of UC-secure
time-lock puzzles. Our construction is based on the classical time-lock assumption of Rivest et al. […

… In Section 5, we show how to construct UCsecure time-lock puzzles. In Section 6, we show
how … A generalisation of this observation will later be the basis for our impossibility result. …

… * [email protected] ** [email protected] *** [email protected] 1 There are
time-lock puzzles that use the help of a third party to support the time-release of a secret. This …

… Our goal in this work is to initiate a foundation of time-release … Additionally, foundations
of puzzles have to deal with the … UC-secure time-lock puzzles. We argue that by analyzing …

… thatguarantee to thegeneratorthat the puzzle cannot be solved … In this work, we
proposeverifiable time-lock puzzles (VTLPs)… Oechsner,“Tardis: a foundation of time-lock puzzles in …

… a time-lock puzzle which is non-malleable, which roughly guarantees that it is impossible to
“maul” a puzzle … In fact, they prove that their notion of UC security cannot be achieved in the …

… Recently, time-based primitives such as time-lock puzzles (TLPs) and verifiable delay …
Being based on the TARDIS model of [6], our work uses the standard UC framework without …

… time-lock puzzles [22], non-malleable timed commitments [26], and UC-security [5,6] of time-lock
puzzles … To establish a sound foundation for the solving of time-lock puzzles, we require …

… homomorphic time-lock puzzles to reduce the number of puzzles … A homomorphic time-lock
puzzle consists of a set of puzzles … Tardis: a foundation of time-lock puzzles in uc. In Annual …

… study and proposed a time-lock puzzle based on the hardness … (“time-lock UC”) security,
which is based on UC security and … In contrast to TARDIS, we do not aim to define composable …