this post was submitted on 20 Oct 2025
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How sure are you? Assign a percentage chance to it and the cost of exposing old messages, and compare that to the cost of this dev effort.
We know governments are using it, and there's likely a lot of sensitive data transmitted through Signal, so the cost of it happening in the next 20 years would still be substantial, so even if the chance of that timeline happening is small, there's still value in investing in forward secrecy.
https://www.cs.auckland.ac.nz/~pgut001/pubs/bollocks.pdf
They also want nuclear fusion reactors and there is none in the horizon after 50 years of research and development (even though many want to sell the idea that there are).
You can start preparing for post hypercomputation cryptography too if you believe your argument.