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by schoen 79 days ago
As was alluded to in the comments, my colleagues at Blockstream Research are doing some work on this with mechanisms called SHRINCS and SHRIMPS.

Of course, inventing and demonstrating a quantum-resistant signature mechanism isn't the same thing as deploying it in consensus or upgrading everyone's UTXOs to it, and it's fair to say that there are many steps in between!
2 comments
nehan 78 days ago
This work is important, and I'm looking forward to forming an opinion on it. Maybe a future post! For those who are interested, this is what I'm aware of:

- Tim Ruffing proved that Taproot's commitment scheme was quantum-resilient: https://eprint.iacr.org/2025/1307

- Jonas Nick and Mikhail Kudinov have proposed SHRINCS: https://delvingbitcoin.org/t/shrincs-324-byte-stateful-post-... and SHRIMPS: https://x.com/n1ckler/status/2038695067754328095.

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nehan 78 days ago
Also, LetsEncrypt is very cool! Thanks for working on it.
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