Hardware wallets are not a solution to self-custody.
If one would make a list of things that can go wrong, starting from the supply chain that delivers parts to the manufacturer, malicious employees at the manufacturer, mistakes the manufacturer can make, attacks on the delivery chain from the manufacturer to the user, to mistakes the user can make creating, using and storing their keys - the list would contain hundreds of points.
Banks and payment providers (Visa Mastercard AMX) provide services beyond simply a store of wealth and a mechanism to transfer it.
Actually 2FA, hardware biometrics, behaviour based fraud prevention and personal confirmation of suspicious transactions. If you’re using credit they can refund fraudulent transactions, and there is the chargeback mechanism. This is probably banking system dependent, but in AUS there is a refund mechanism for mistaken/fraudulent traditional bank transactions.
BTC has effectively none of the safety net, and humans are fallible. We need the safety net. It’s the hugest barrier to adoption. Exchanges do a far better job of managing the risks than trusting your wealth to a hardware wallet.
The safety net makes you less secure against the U.S. government, but more secure against everyone else. That's the right choice for almost all users, but I still think it's at least kind of good that people have a choice.
Hardware wallets are air-gapped. The issue here was a distributor got acquired and then snuck a chip in that could read the spi link between the microcontroller and the screen. The chip had its own cellular modem and could send the passphrase that was shown on the screen to the attackers.
If you sell a device specifically for storing large amounts of liquid assets, that puts a huge target on that device. You are basically asking for supply chain attacks
An ordinary MacBook does not have that issue. If you are a high-value target, you can further decrease your risk profile by buying it from a random physical store, further preventing targeted attacks.
Boy that was a slog, to dig deep enough through the slop to find the technical details…
In retrospect @gigachad’s summary is worth as much as both articles combined, but for the Clauded technical source (with pictures!) that Ledger’s Claude-release refers to:
https://www.tibane.net/research/ledger-nano-x-implant
Nobody said hardware wallets aren't air-gapped. They said take something normal and usual enough not to be an attractive target for bespoke crypto stealers, and then airgap that to make your wallet.
airgapped pre crypto devices are extra safe: break out the ti82! don’t buy a ti82 for this purpose, it has to be one you had in your closet. If a blog post describes how to code it in TiBasic then affiliate links a calculator in ebay, well…
If there was one, someone would write down the steps necessary and put them on the internet. But I have never seen a sound description of how to self-custody Bitcoin in a safe way.
The hardest part seems to not even be the one that currently creates all those problems - the hardware and software used. The hardest part is storing the key (for example a seed phrase). If anyone says they know a way to safely store Bitcoin, my first question is: How do you store the key?
> Hardware wallets are not a solution to self-custody.
Nothing in this world tends to be "the solution", everything has tradeoffs.
Say you want to do self-custody, what is then the best option? "Don't do self-custody" obviously isn't the solution, as the core use case here is self-custody, so what in your opinion is a better way, than hardware wallets?
If there is nothing better today than hardware wallets, then for now, they are "one of the better solutions" for how to do self-custody, even with the current tradeoffs. But again, I'm eager to hear what the alternatives are.
From a bird's-eye perspective, 3 things are needed: Create a key, derive an address from the key, store the key.
Creating a key safely is possible with dice. You would probably create a seed phrase instead of a key directly, but for this discussion it is the same.
Deriving an address from the key is hard and I have not yet seen a good protocol on how to do it. I have read through a bunch of descriptions of how people do it and they are all weak and brittle. The most popular seems to be "I order a hardware wallet and follow the instructions that come with it". But even people who put a lot of thought into it come up with weak and brittle approaches.
I would think there is a way to do it safely. But I have never seen a description of one yet. It might involve multiple computers, multiple software implementations and a hell of a lot of work to create a multisig that is not prone to a single attack vector.
Storing the key is probably the hardest. The most popular way seems to be to store it in a drawer or a safe. So now those coins are just as safe as a piece of gold would be. Or they use a multisig and store the keys in multiple locations. Quite painful. As you have the ongoing problem of keeping those locations accessible and safe at the same time.
Very often this is not the case. Debit / credit cards payments are quite reversible, but once a person send $100,000 or even $10,000 to a scammer it can be quite hard to recover.
Caused by an account take over? This is letter of the law stuff and something bank (and other financial firms) employees receive specific training on. The customers loss is capped and their bank is on the hook.
For inter-bank transactions involving a scam that causes the customer to “voluntarily” send money it depends on the rail. But US ACH rules cover reversals due to fraud and have pretty substantial rules about it.
Usually how it goes is if someone hacks your account or steals credit card info. You get refunded. If a scammer convinces you to willingly send the money, you’re out of luck.
That's not really relevant; the U.S. government has enough leverage over the global (fiat) financial system that they can cause any account in any First World country to be shut down.
The actual reason to discount this is that account shutdowns are flashy rare events that reliably summon HN outrage, and so the kind of person who posts here overweights how likely they are, at least for people not on the margins of society. (If that weren't the case, the system wouldn't work and normal people wouldn't use it.)
Ledger has had three data leak incidents: once in 2020, a software supply chain attack in 2023 and another data leak in 2026. This latest one is the fourth.
How a French (EU based) company is still in business after all of this is a testament to how theatrical and toothless the EU privacy laws (GDPR, etc) really are.
My gut reaction is that a hardware implant would be too costly so there's no way they'd actually do that but I guess when you can steal $92M, anything is possible. They could even fab an esoteric chip and still make a profit.
Why do you think it's too costly? It's well known that there are divisions in DPRK that are focused on generating $ through crypto hacks and compromises.
We're dealing with reasonably sophisticated state actors here in this dark forest; not script kiddies.
Cheap $5 PCB + programmable small FPGA is a very viable route too for hardware implants; but even a microcontroller / ESP32/etc will probably do.
PCBWay will make anything you send them for reasonable pricing. Custom boards etc are not at all hard to manufacture, and for the amount of money you can get, of course you can team up with someone. I think the most people overestimate the cost of bespoke PCB creation.
I'm guessing the best way to go about self custody these days is to have a multi sig wallet, based on multiple hardware wallets from different vendors.
Hardware wallets have a huge target on their back. They are great for convenience, but once you are using multiple for muli-sig you can have more security with less hassle with an airgapped old laptop or a hand-stamped piece of metal you keep in a safe
What a f-ing nightmare. It's stuff like this where I start to understand Apple's stance on right to repair. How do you maintain hardware security without strict provenance over every component in your device?
Can see why hardware wallets seemed a good idea at the time but history has shown this is a terrible way to self custody. Compromised devices aside, the KYC data leaks have put people in danger too.
And yet on this exact website people critical of the industry were ridiculed with the exact same rhetoric adopted by the AI industry. It was touted by so many as inevitable, and how we will all be left behind if we don’t join the cult
If one would make a list of things that can go wrong, starting from the supply chain that delivers parts to the manufacturer, malicious employees at the manufacturer, mistakes the manufacturer can make, attacks on the delivery chain from the manufacturer to the user, to mistakes the user can make creating, using and storing their keys - the list would contain hundreds of points.
Actually 2FA, hardware biometrics, behaviour based fraud prevention and personal confirmation of suspicious transactions. If you’re using credit they can refund fraudulent transactions, and there is the chargeback mechanism. This is probably banking system dependent, but in AUS there is a refund mechanism for mistaken/fraudulent traditional bank transactions.
BTC has effectively none of the safety net, and humans are fallible. We need the safety net. It’s the hugest barrier to adoption. Exchanges do a far better job of managing the risks than trusting your wealth to a hardware wallet.
https://de.fi/rekt-database
An ordinary MacBook does not have that issue. If you are a high-value target, you can further decrease your risk profile by buying it from a random physical store, further preventing targeted attacks.
In retrospect @gigachad’s summary is worth as much as both articles combined, but for the Clauded technical source (with pictures!) that Ledger’s Claude-release refers to: https://www.tibane.net/research/ledger-nano-x-implant
If there was one, someone would write down the steps necessary and put them on the internet. But I have never seen a sound description of how to self-custody Bitcoin in a safe way.
The hardest part seems to not even be the one that currently creates all those problems - the hardware and software used. The hardest part is storing the key (for example a seed phrase). If anyone says they know a way to safely store Bitcoin, my first question is: How do you store the key?
Nothing in this world tends to be "the solution", everything has tradeoffs.
Say you want to do self-custody, what is then the best option? "Don't do self-custody" obviously isn't the solution, as the core use case here is self-custody, so what in your opinion is a better way, than hardware wallets?
If there is nothing better today than hardware wallets, then for now, they are "one of the better solutions" for how to do self-custody, even with the current tradeoffs. But again, I'm eager to hear what the alternatives are.
From a bird's-eye perspective, 3 things are needed: Create a key, derive an address from the key, store the key.
Creating a key safely is possible with dice. You would probably create a seed phrase instead of a key directly, but for this discussion it is the same.
Deriving an address from the key is hard and I have not yet seen a good protocol on how to do it. I have read through a bunch of descriptions of how people do it and they are all weak and brittle. The most popular seems to be "I order a hardware wallet and follow the instructions that come with it". But even people who put a lot of thought into it come up with weak and brittle approaches. I would think there is a way to do it safely. But I have never seen a description of one yet. It might involve multiple computers, multiple software implementations and a hell of a lot of work to create a multisig that is not prone to a single attack vector.
Storing the key is probably the hardest. The most popular way seems to be to store it in a drawer or a safe. So now those coins are just as safe as a piece of gold would be. Or they use a multisig and store the keys in multiple locations. Quite painful. As you have the ongoing problem of keeping those locations accessible and safe at the same time.
What do you use to access your bank account online? I use my laptop, or my phone.
For inter-bank transactions involving a scam that causes the customer to “voluntarily” send money it depends on the rail. But US ACH rules cover reversals due to fraud and have pretty substantial rules about it.
Seriously, that's why we have banks, still.
The actual reason to discount this is that account shutdowns are flashy rare events that reliably summon HN outrage, and so the kind of person who posts here overweights how likely they are, at least for people not on the margins of society. (If that weren't the case, the system wouldn't work and normal people wouldn't use it.)
How a French (EU based) company is still in business after all of this is a testament to how theatrical and toothless the EU privacy laws (GDPR, etc) really are.
We're dealing with reasonably sophisticated state actors here in this dark forest; not script kiddies.
Cheap $5 PCB + programmable small FPGA is a very viable route too for hardware implants; but even a microcontroller / ESP32/etc will probably do.
Eg. https://dangerousthings.com/products/apex-flex?Antenna=Narro...
You're better off just having a dedicated laptop for crypto transactions.
Actually the only one I know is the Gnosis Safe. Talk about creating a huge risk if it would have a problem.
This is some D grade trash writing.