What kind of person stores 50k USD in a device and forgets and loses the paper where he’d written the PIN?! Besides that, this attack demonstrates that there a

What kind of person stores 50k USD in a device and forgets and loses the paper where he’d written the PIN?! Besides that, this attack demonstrates that there are ways, accessible to a technician with some preparation, to extract secret keys from hardware tokens such as Crypto wallets and Yubikeys. Perhaps you could hack a hardware key with one or few thousands dollars, sending it to a special underground lab? Does anyone have any information about this market and costs?