Quantum Computing and Bitcoin Security

[helloword100]

I am concerned that quantum computing could potentially brute-force all existing wallets. However, I am unsure whether internet connection speed would impose a limitation on such attacks. If not, how will the Bitcoin community protect itself against this threat? Additionally, how can I contribute, follow existing projects working on this issue, or learn more about this topic?

[Russlenat]

There has been a lot of Quantum Computing topics in the past, maybe you'll find the answer you are looking for here.

Emerging Solutions for Quantum Computing Threats
Is Willow (Google new quantum computer chip) going to kill Bitcoin?
Quantum Computers Can Not Defeat Bitcoin, not even The Bitcoin Network
Quantum computing and the future of bitcoin.

[seoincorporation]

I am concerned that quantum computing could potentially brute-force all existing wallets. However, I am unsure whether internet connection speed would impose a limitation on such attacks. If not, how will the Bitcoin community protect itself against this threat? Additionally, how can I contribute, follow existing projects working on this issue, or learn more about this topic?

The best contribution you can do is to read about the topic before creating a new post 

It has been already discussed and the conclusion is: There is a risk but there are some solutions for it. The Quantum Computin still not a risk for cryptos because the amount of quibits is low, but in the future the only option will be to integrate the anti-quantum encription created by the nist, there are 3 algorithms made with this propose, you can google them.

https://en.wikipedia.org/wiki/Post-quantum_cryptography

[Stalker22]

I am concerned that quantum computing could potentially brute-force all existing wallets. However, I am unsure whether internet connection speed would impose a limitation on such attacks.
~

Yeah, like connection speed will be a limitation!  Why would you even need an internet connection for brute-forcing private keys?  Its not like quantum computers are downloading them off the web.   

The real issue with quantum computing and crypto isnt about internet speed; its that quantum computers could potentially break the math that secures it.  But thats not related just to crypto currencies - almost all cryptography encryptions will be in jeopardy, including your bank account.

[haircombint]

If Bitcoin is cracked by quantum, Haircomb will salvage the chain

https://github.com/natasha-otomoski/haircomb/blob/master/WhyTheCombOfNatashaOtomoskiHas21Teeth.txt

[Davidvictorson]

I am concerned that quantum computing could potentially brute-force all existing wallets.

For now since the topic has already been discussed many times, the poster should lock it.
In the event that he hasn't read the links, if quantum computing could create a Bitcoin security situation, it would have happened longer time ago when there awareness and adoption are not at its peak.

[headingnorth]

If you believe we are living in just one of millions or billions of parallel universes in the multiverse, as Google actually claims, you will believe anything.
Whatever they are smoking at Google, while watching The Matrix, must be really good.






Hmm. Make some wild claims about an alleged fantastic technological breakthrough to prevent your stock price from tanking too badly?
No way! Wall Street would never do that.

Alphabet Stock Tumbles After Earnings. The Google Parent Is Headed to Its Largest Market-Cap Drop Ever. (Yahoo Finance)

[avikz]

I am concerned that quantum computing could potentially brute-force all existing wallets. However, I am unsure whether internet connection speed would impose a limitation on such attacks. If not, how will the Bitcoin community protect itself against this threat? Additionally, how can I contribute, follow existing projects working on this issue, or learn more about this topic?

It has been discussed multiple times here in this forum. But just know one thing, quantum computing is a distant dream. An actual quantum computer will cost billions of dollars to make and operate. So none from our generation will be able to see an actual working prototype of a quantum computer, let alone breaking open Bitcoin.

Even NVIDIA CEO mentioned that it will take another 15-30 years to make an actually useful quantum computer. So chill!

[j2002ba2]

I am concerned that quantum computing could potentially brute-force all existing wallets. However, I am unsure whether internet connection speed would impose a limitation on such attacks. If not, how will the Bitcoin community protect itself against this threat? Additionally, how can I contribute, follow existing projects working on this issue, or learn more about this topic?

Quantum computing doesn't scale. It just generates noise.

Shor's algorithm, which is supposed to break ECDSA, fails miserably with any presence of noise, even in theory. Hence the largest integer reliably factored up to now by a quantum computer using Shor's is 21. All those new and "very superior" QC managed only to generate more noise.

[moneystery]

there have been many discussions about this, you can read them in the threads shown by @Russlenat

in short, you are just worrying about something that doesn't need to be worried about now. quantum computing is still far from being able to break into a bitcoin wallet... even if it could, it would not only be a problem for bitcoin, but also for all technologies that use cryptographic protocols. but because it is still achieved in the long term, before that happens, many platforms will move to quantum-resistant algorithms. so there is no need to be too exaggerated and think about this problem.

but if you are interested in this problem, you can study the discussions about this problem and try to understand as much as you can.

[BenCodie]

I've never really understood the argument that quantum computing could break Bitcoin. Even if it did manage to crack one address successfully, that is just one address...there will not be a stage where it can suddenly crack them all. To be able to start brute forcing thousands of addresses, you have to do hundreds first...and before that, tens, and before that one....and to do 10, you'll need to put it 10x the computational power than one...and if a quantum computer can't even crack one yet, then how long will it take before it can do 10? That's my train of thought anyway...and it completely disregards if the core devs will push an update to make Bitcoin resistant if the day ever comes where one is successfully cracked by quantum computing.

[AmoreJaz]

there have been many discussions about this, you can read them in the threads shown by @Russlenat

in short, you are just worrying about something that doesn't need to be worried about now. quantum computing is still far from being able to break into a bitcoin wallet... even if it could, it would not only be a problem for bitcoin, but also for all technologies that use cryptographic protocols. but because it is still achieved in the long term, before that happens, many platforms will move to quantum-resistant algorithms. so there is no need to be too exaggerated and think about this problem.

but if you are interested in this problem, you can study the discussions about this problem and try to understand as much as you can.

That is my take here. I don't think bitcoin developers will just sit and relax while seeing that the network is about to collapse owed to quantum algo. So yes, they would surely find a way how to attack this kind of threat. I guess even now, they are already working on this kind of potential issue.

[nakamura12]

I've never really understood the argument that quantum computing could break Bitcoin. Even if it did manage to crack one address successfully, that is just one address...there will not be a stage where it can suddenly crack them all. To be able to start brute forcing thousands of addresses, you have to do hundreds first...and before that, tens, and before that one....and to do 10, you'll need to put it 10x the computational power than one...and if a quantum computer can't even crack one yet, then how long will it take before it can do 10? That's my train of thought anyway...and it completely disregards if the core devs will push an update to make Bitcoin resistant if the day ever comes where one is successfully cracked by quantum computing.

I think devs won't just do nothing when quantum computing does cracked an address so I am sure they will find a way to prevent if there is or even make it more impossible to crack.

The best contribution you can do is to read about the topic before creating a new post 

It has been already discussed and the conclusion is: There is a risk but there are some solutions for it. The Quantum Computin still not a risk for cryptos because the amount of quibits is low, but in the future the only option will be to integrate the anti-quantum encription created by the nist, there are 3 algorithms made with this propose, you can google them.

https://en.wikipedia.org/wiki/Post-quantum_cryptography

And also locking this thread would really contributed to the forum. We know that devs won't just watch bitcoin's threat to succeed. If only OP will make a research or just type the questions he has and see if there's someone who have the same question and if there's any answer to it.

[SamReomo]

Although, Quantum computers are not publicly available yet but I believe they are still running in some laboratories and if whatever OP believes is true then those quantum computers might have already hacked most Bitcoin wallets with huge Bitcoin in those wallets.

But, I haven't heard any news about quantum hacking yet and that's why we shouldn't worry about quantum computers at this time, when they will be available then we will find a way to protect ourselves from those attacks. We in this context means Bitcoin community! 

[BenCodie]

I've never really understood the argument that quantum computing could break Bitcoin. Even if it did manage to crack one address successfully, that is just one address...there will not be a stage where it can suddenly crack them all. To be able to start brute forcing thousands of addresses, you have to do hundreds first...and before that, tens, and before that one....and to do 10, you'll need to put it 10x the computational power than one...and if a quantum computer can't even crack one yet, then how long will it take before it can do 10? That's my train of thought anyway...and it completely disregards if the core devs will push an update to make Bitcoin resistant if the day ever comes where one is successfully cracked by quantum computing.

I think devs won't just do nothing when quantum computing does cracked an address so I am sure they will find a way to prevent if there is or even make it more impossible to crack.

I wasn't saying that the core devs wouldn't push an update if it became possible, I was saying that my train of thought about quantum computing and practical scenarios didn't take into account the more likely scenario where the core devs pushed an update to make Bitcoin quantum resistant. We both essentially said that same thing, just in different words I could've worded my post a bit better though, sorry for the confusion!