Quote from: Lucius on May 15, 2025, 01:26:37 PM

I'm more concerned that so many people have been looking for some kind of weakness in BTC for so many years and it always ends up on quantum computers that at this point don't have even 1% of the power needed to do something like smash BTC into pieces.

Quote from: Silentcursor on May 15, 2025, 04:42:51 AM

Bitcoin will definitely be a serious target.
The US states and big companies like Tesla, MSTR, and El Salvador have large bitcoin reserved. They would care deeply if quantum attacks becomes a threat. Imagine national reserves being stolen what will happen to the nations economy. If billions in Bitcoin is lost due to quantum theft, it will reduce the trust in digital assets globally.

Why don't you write how much BTC they have and which US states - and how much does the Mr. Mars company and El Salvador have? Roughly speaking, it seems to me that they have a maximum of 20 000 BTC together (El Salvador has a little over 6000). I think you're worrying about completely unrealistic and pointless things - but if you have nothing else to worry about, that's your choice Wink

I see no danger to Bitcoin anytime soon.

Quantum computers having the ability to break bitcoin has been a meme for as long as quantum computers have existed. And it is overhyped.

Nobody seems to talk about how the quantum computers that we have are glorified gimmicks that may probably have reached a dead end.

It is not physically possible for coherent superposition to be scalable beyond a certain macroscopic threshold, to the level needed to break Bitcoin, as by the uncertainty principle. Which is not just an engineering issue but a physics issue. Roger Penrose, a nobel prize winning physicist, has even written a paper on this. [1]

Quantum computing researchers are hoping to discover new, unexplored physical laws that favor a workaround for large scale decoherence. That is their gambit.

TLDR; Scientists hope to discover new physics that makes true quantum computers possible. Current physics laws say it is not.

[1] gravity collapses quantum states at the macroscopic threshold, preventing large-scale superpositions