Case study: fake hardware cryptowallet
> The bootloader checks the digital signature of the firmware and, if an anomaly is detected, displays an unoriginal firmware message and deletes all the data in the wallet.This seems like a horrendous design, like a safe that burns the money inside if you try to tamper with it. Sure, it might protect a malicious thief from absconding with the funds, but it is also an attack vector for any bad actor that simply wishes to cause you harm.