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> Can't everyone just switch to quantum resistant cryptography?
> There is no evidence that anyone will be able to crack anything like this for at least 10 years, right?
On Sat, Jan 11, 2025 at 1:29 PM Brent Allsop <brent....@gmail.com> wrote:> Can't everyone just switch to quantum resistant cryptography?Yes but the trouble is quantum resistant cryptography is much slower and computationally demanding than RSA or elliptic curve, and bitcoin is already an energy hog with its silly makework computations. To mine just one bitcoin takes about 155,000 kilowatt hours of electricity, and the average bitcoin transaction takes about as much electricity as an average household uses in a month. Quantum resistant cryptography will make this ridiculous situation even worse.
Its said that for the past few years countries have been recording all the coded messages from their potential adversaries even though they can't read them because they figure that in a few years thanks to Quantum Computers they will be able to. And that's gonna embarrass a lot of people, but overall I think that would be a good thing.> There is no evidence that anyone will be able to crack anything like this for at least 10 years, right?The short answer is nobody knows, but there's been a hell of a lot of Quantum Computer progress in just the last two years, more than in the previous 20. If I were guessing I'd say Bitcoin will be broken sometime between 3 and 20 years, probably closer to 3 than 20. But I'm nearly certain Artificial General Intelligence and even Artificial Superintelligence will come long before Quantum Computers become practical, and by then you'll have bigger problems to worry about than Bitcoin. I think the singularity is going to be a meat grinder.
By the way, nobody has ever been able to prove that P≠NP, so although most mathematicians think it's unlikely it's possible that tomorrow somebody will find an algorithm that can quickly and efficiently crack RSA and elliptic curve encryption using only a small conventional computer, and then it would be game over for Bitcoin.John K Clark
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