Quantum threat: existential or nothingburger?
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Unknown. Hence the debate about it. It's neither a certainty nor impossible. I tend to be skeptical of it actually working in any time soon. Maybe not even in my lifetime.
Those that think it is a threat should work on preparation. Those that dont shouldn't. These hair on fire reactions lack one thing for me. Proof. Substance. I have yet to see an example that isn't a rigged test.
The real threat to Bitcoin is privacy or lack there of. With Samourai arrests and the lack of consensus on issues like arbitrary data my hopes for Bitcoin privacy are low which is disappointing. Quantum is a theoretical threat, privacy is a real and current threat with increased wretch attacks and government and tech being used for surveillance purposes. Doesnβt seem to be any real progress in this area only regression.
Imagine the rage if there was a BIP for stealth addresses and ring signatures.
Satoshi answered this in the white paper and it's still true. Privacy for Bitcoin isn't solved IN Bitcoin. Don't lose hope. The solution is coming.
He did but I disagree the privacy depends on not revealing your identity to your UTXO. Since almost all UTXOs are now tied to identity through KYC there is no privacy left, it is all full traceable with Chainanalysis.
What is the solution that you speak of?
Being a public blockchain is a very good property for money. Revealing and linking your addresses is not. The right way to do privacy is cutting that link.
Check out my profile
How you cut the link can also become problematic. It also doesnβt prevent you from future leaks that can be traced backwards. Itβs extremely difficult even if you do everything right to maintain privacy on a public ledger.
OK, this is gonna take me some time 66 page white paper. Can you give me the short summary?
Currently, yeah, it's way harder than it should be, but that's still the right place to do it. We just need to keep building the tech. Privacy CAN be coordinated around Bitcoin and we should build the things that make it work well.
I hope you are right itβs the only thing that truly concerns me about the future of bitcoin
It's self-organizing encrypted networks that emerge from self-sovereign IDs, built in HD keys rooted in your seed and privacy preserving stem to stern.
The intro is not that long and is a summary. Details are there if you want to dig deeper.
Yep will definitely read up on it when I have time. Do you still maintain custody the entire time?
Full self-custosy.
Yeah, it's the thing that keeps me up at night too. As you can see π«©
I wish people cared about privacy as much as they cared about arbitrary data then maybe weβd see some more progress
Yes
Its a superposition of both states.
Shit thats a good answer.
Stop double-spending.
I was literally wondering who would do it. You should be ashamed of yourself. π
Today nothingburger, and
in the future we will have new technology (maybe multiple new technology that can protect Bitcoin),
endless worrying will wear you down, nobody knows what is going to happen in the future (5years or more)
πππ
Nothingburger. Quantum isn't real
View quoted note β
zero fucks given. there's no second best anyways
Biometric 2fa?
Biometrics don't really have anything to do with it, and they make a bad, bad key.
What happens when you need to rotate your key and it's your retina?
Nothingburger; Bitcoin falsifies the physics behind CQC.
Total crap
Nothingburger
It's legitimate science, proven out at smaller scales with several different paths to larger scales, I don't know why anyone would call it a nothingburger. Though that's what people do, AI was called a nothingburger pretty much right up until Alpha Go.
Pure FUD.
The only progress QC has made in 40 years is better isolation.
Zero progress toward scaling quantum mechanics itself.
Weβve moved asymptotically closer to the fixed, natural ceiling.
The whole endeavor has done nothing but perfect experimental conditions for revealing the exact boundary between quantum and classical physics.
Great science project. Nothing more.
The problem is untouched.
You canβt change physics.
You canβt isolate the system from itself.
Coherence will always collapse far below Shor scale.
Bitcoin and ECC are under zero threat from quantum computing.
Ignore the FUD.
View quoted note β
what to do about old coins seems like a major issue to me
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nothing
it's legit, but probably further in the future. supercomputers already are a threat, if there is a big enough UTXO to sell after cracking its key. plenty of yuge UTXOs especially in the first year of the chain, ones that probably are lost keys.
quantum computers DO work, at a much lower (about 50%) power cost compared to equivalent conventional computers.
i would suspect that memory technology like Google's TPU systolic array memory will probably prove to be helpful in accelerating this kind of processing as well, though not as much as it helps LLM models, as it could be modified to implement a possible shortcut in the pubkey derivation by using humongous precalculated tables.
and funny, isn't it, how the bitcoin devs decided to make taproot reveal the pubkey in the spend, so the receiver is then vulnerable to a bruteforce attack.
bruteforcing hashes is harder than bruteforcing pubkey/secret key reversal.
Save it for tomorrow, or the day after. π
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