alt Hacker News> Secondly, it's a lot more convenient to use a device that's always with you than a dedicated standalone single-use computer.
The price the owner pays for this is that they're locked out of their own expensive general-purpose computing device while still having to bear all the inconveniences (babysit OS updates, configure stuff, keep it charged, have the battery fail, buy a new device every five years, etc.)
In the meantime, the standalone chip-and-TAN device costs 30 bucks, is powered by three AAA batteries that hold their charge for five years, lives for 20 years, and never needs a single software update.
I'd choose the small single-purpose device over the enshittified, locked-down smartphone every single time.
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You could also open your front door with your smart phone. It would look high tech until your battery is empty.
Sometimes I see people captured by the train station unable to check out. They usually find someone with a charger but technically the formula is to fine them for not having a ticket. Then one might still need to buy a ticket to continue the journey. (bring cash)
Phones are usually empty when things [already] aren't going as planned.
This reminds me of crypto wallets. I also dispute mike_hearn 's:
> Smartphone HW attestation is better in every way
They're still prone to side-channel attacks like SPECTRE. Crypto wallets are practically immune because they're air-gapped.
[edit] I just realised that's Mike Hearn of early BTC fame. I suppose he would know what a crypto wallet is.