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 In reality it's a lot of marketing. You do not really need a hardware wallet, you have a lot of risks with it and have to keep up to date with then as soon as they bring a new plastic thing on the market. They drop the support... 
 I completely disagree. The simplest way is to just take your keys off your device and I’ve never felt any need to “keep up to date” and replace a hardware wallet. Every one I’ve used in the past that I liked I still use in some capacity. Getting your keys off your mobile or desktop is an absolutely crucial step to securing your bitcoin. 
 Hi mate, cor coldstorage do you reset the hardware wallet to remove the keys and keep just the back up?
 
 also. If you have only 1 hardware wallet but want to manage 2 separate wallets. 
Would you:
1 change the derivation path
2 add separate pass phrases 
3 create two keys with the same
 device and reset the device as needed.
4 use BIP 85
? 
 Nah, if i want to have multiple wallets based off of a single hardware wallet I will often do it via multisig (Nunchuk makes this dirt simple) and adding a separate second key for it, or I use a 25th word to generate a new wallet. But I haven't done that in quite some time however. I mostly use various multisig setups with differing levels of security and ease of access.  
 No its not. Bitcoin is much older than Hardware Wallets and the wallets in the past was also super safe. Hardware Wallets are for ppl in the western countries, for ppl which likes to play around. And as I have already said you get to many other problems with it. Big privacy and security issues etc. There are much better ways. 
 "Bitcoin is much older than Hardware Wallets and the wallets in the past was also super safe."

I don't know how you think this is an argument for anything, but as someone who has been using bitcoin wince 2011 and has lost keys on a desktop wallet from "before hardware wallet days" I also, very much disagree. You won't convince me otherwise. I didn't come to this conclusion because I read somebody's tweet. Its from 13 years of using, failing, trying, testing, and gaining experience in bitcoin.

You are free to do whatever you want with your bitcoin keys. Thanks for the opinion though. 
 I'm using Bitcoin since 2013 and since many years I manage my daily life with Bitcoin.
That you lost your key is horrible but you can also loose your access to your hardware wallet. I know ppl with that problem. Also the whole supply chain attack is really something to think about. In total there are more risks with a hardware wallet. 
 At the end it all comes down to a proper management with how you secure your seed phrase because if you loose your seed phrase kr someone gets access to it a hardware wallet brings you nothing at the end. 
The risk is much higher with a hardware wallet and I tell you that as someone who has spend hours over hours about this topic. 
 Then you have reached a conclusion that I haven't and we are at an impasse. The seed phrase issue is correct, but 100% irrelevant because it exists literally with every single option you go with. It's much easier to know you've secured it when its created entirely offline and never touched an internet connected device and has been properly backed up. But the issue is identical with or without a hardware wallet 
 Hardware keys are the only real practical way to have keys offline, which is always safer. And not just for Bitcoin, but in general for BYOK: certificates, passkeys, etc. We should always prefer keys we own and generate, with services only adding or removing trust from  public key hashes.
Trusting the key hardware and software, so long as it is open source, is no different from trusting your bitcoin node, wallet, nostr client or relay.
The real problem is that the privacy situation today sucks. Everything is a cloud service accessed through an proprietary OS by one of a handful companies. Difficult to protect your data from being stolen, keys and all. 
 I still completely disagree, there are not more risks with a hardware wallet, and I don't know how you have reached that conclusion. Any basic assessment of common attacks and their likelihood, let alone a basic assessment of how people have lost their bitcoin, would demonstrate this very easily. An no, losing your backup seed is not a hardware wallet problem, its a self custody concern now matter what way you do it. So pinning that on hardware wallets as unique is not useful or accurate. You can just as easily lose your backup to a mobile wallet (which also happened to me once due to a dead phone)

supply chain attacks are a tiny concern if you are buying from the manufacturer and you buy a hardware wallet that specifically considers that a risk. Let alone simply doing a tally of how many times this has occurred, which is almost nonexistent except for people buying outright scam wallets or second hand off of ebay or something. 
 You can even mitigate the vendor attack vector by using multisig. As long as no vendor has quorum, you can be fairly sure you’re protected. It’s unlikely that multiple vendors will have vulnerabilities at the same time that are exploitable by the same party.