Is it possible to devise a kind of encryption that will grow easier to break based on the passage of time? A key that can be reliably produced with enough calculations could be a start, but you can’t account for faster computers. Maybe a system that has a host of parameters based on other computers and sensors? but inputs can be faked. I don’t know if this question really even makes sense: it seems to bush against something fundamental and impossible.
@futurebird I think you have reasoned out the basic weakness here: there is nothing that is reliably all of (1) predictable to the sender, so they can set it up, (2) unpredictable to the receiver, so they can’t anticipate or interfere, and (3) not requiring some human-managed mechanism like a trusted vault opening. https://en.m.wikipedia.org/wiki/Trusted_timestamping is not the same but has some related ideas.
@futurebird
I don't understand the question. If I take it literally, I think: As long as people keep developing faster computers and better knowledge of the maths of breaking encryption, all encryption will get easier to break over time. But you must mean something else.
Is there a zero-knowledge or zero-trust asymmetric crypto technique that would allow someone to prove their age, without them being actually identifiable?
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