11–20 of 147 posts
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!
> Q: Stealing is illegal, so why would anyone use a CRQC to steal Bitcoin? I've had this thought for awhile actually: how would reproducing some random number be legally "stealing" under any legal system in the world? Putting aside that cryptocurrencies have always been about "code decides" etc, that they're outside of the legal system entirely, but I'm struggling to see where there's any actual property interest her…
Likewise, when government agencies shut down dark net markets (DNMs), they will seize the cryptocurrency funds that the DNM had (from market fees etc., or even funds that belonged to customers and were in escrow etc. by the DNM) if they can (i.e. if they get access to the private keys of DNM owned wallets either by technical means or by convincing the operators of the DNM to hand over the keys). Again because the governments view cryptocurrencies as something more than just random numbers without meaning.
Speaking of seized funds. Let’s say that a government agency had seized a significant amount of bitcoin from a DNM and was transferring those funds to wallets under government agency control. Along comes some guy with a quantum computer and takes those funds for himself. Is the government agency just going to throw its hands in the air and say “oh well, he guessed the random number, nothing more we can do!” No, I think not.
> Q: Stealing is illegal, so why would anyone use a CRQC to steal Bitcoin? I've had this thought for awhile actually: how would reproducing some random number be legally "stealing" under any legal system in the world? Putting aside that cryptocurrencies have always been about "code decides" etc, that they're outside of the legal system entirely, but I'm struggling to see where there's any actual property interest her…
I understand that the bank's ownership of its computer means that hacking into it could be seen as (for example) a trespass. However, what if you somehow persuaded a bank employee to change someone's balance? The bank employee has some kind of authority to do this and the result is once again "just a number".
OK, what if you display some fraudulent information somewhere that leads a bank employee to decide to update a balance?
I don't want to entirely dismiss your intuition because after all there is lots of interest in not relying on legal systems to adjudicate issues related to cryptocurrency transactions. However, changing numbers and causing people or devices to change numbers is not inherently categorically exempt from being considered fraudulent. For that matter, computer fraud laws are often explicitly written to apply to unauthorized alteration of data, not just to unauthorized access to a specific device.
You might try to defend this by saying
* the ownership of cryptocurrency assets is defined as the ability to transfer them, and should not be further or separately interpreted apart from that ability, or
* deceiving a protocol is less obviously wrongful (or at least harder to define) than deceiving a person, or
* computer crime should require undermining someone's intent about the use of devices or data and that intent should be clearly manifested and meaningful, which it arguably isn't in a cryptocurrency system, or
* offline institutions create some kind of intelligible notion of ownership that's related to the non-digital world and this kind of ownership is what laws about theft or fraud aim to protect rather than any other kind of ownership without that non-digital nexus. (although this doesn't seem to be empirically true as ownership of, for example, domain names has been recognized as a form of property by courts since at least Kremen v. Cohen in 2003, even though it is just a matter of a database entry and has no offline existence)
These are interesting conceptual possibilities, but not necessarily persuasive for courts, law enforcement, or cryptocurrency end users.
> Q: Stealing is illegal, so why would anyone use a CRQC to steal Bitcoin? I've had this thought for awhile actually: how would reproducing some random number be legally "stealing" under any legal system in the world? Putting aside that cryptocurrencies have always been about "code decides" etc, that they're outside of the legal system entirely, but I'm struggling to see where there's any actual property interest her…
I suppose we could pass laws to prevent them from ever spending the money in a country that they can control. Even then, they'd have to find ways around the funds being "laundered" through mixers.
> Q: Stealing is illegal, so why would anyone use a CRQC to steal Bitcoin? I've had this thought for awhile actually: how would reproducing some random number be legally "stealing" under any legal system in the world? Putting aside that cryptocurrencies have always been about "code decides" etc, that they're outside of the legal system entirely, but I'm struggling to see where there's any actual property interest her…
The best bet would be to factor satoshi's keys, and then publish them on something like OEIS for some novel-math reason, and let someone else steal them for you.
"A CRQC is an existential threat to Bitcoin (you might believe this is very low-likehood). Your measurement of this threat should literally be: (A) How likely you think it is a CRQC appears by a given time, multiplied by (B) How likely it is you think Bitcoin will not successfully upgrade by that time." It would interesting to survey people about their answers. My off the cuff answer is: 2030: A=0.05, B=0.01 2035: A=…
It’s worth remembering that Ethereum forked for much less (not even a bug in the protocol, but a bug in a private application running on the protocol) and nobody seems too upset about it a decade later.