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Notes on IACR TCC 2024/1786

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≑ πŸͺ(πŸ”πŸ”€)βˆͺ(πŸ’­πŸ“)βˆ–(πŸ“šπŸ”)⟨CC-BY-SAβŸ©β‡”βŸ¨πŸ”„β¨ΉπŸ”—βŸ©βŠ‡βŸ¨πŸ‘₯β¨ΉπŸŽβŸ©βŠ‚βŸ¨πŸ“β¨ΉπŸ”βŸ©βŠ‡βŸ¨πŸ”„β¨ΉπŸ”—βŸ©βŠ‚βŸ¨πŸ“šβ¨ΉπŸ”¬βŸ©βŠ‡βŸ¨πŸ”„β¨ΉπŸ”—βŸ©πŸͺ

This paper shows how to build a special type of commitment scheme called a "timed commitment" using only a "time-lock puzzle" as a building block. Timed commitments are like digital safes that automatically open after a set amount of time, ensuring that a secret is eventually revealed. This is a big deal because it allows us to build these timed commitments from a wider range of assumptions, including some that are believed to be secure against quantum computers. The post-quantum security claim hinges on the security of a specific TLP construction.

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